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Sky</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/09/mars-surface-nasa.jpg</image:loc><image:title>mars surface nasa</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/09/nasa-moon-surface.gif</image:loc><image:title>NASA Moon surface</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/09/redsunsetdiagram.png</image:loc><image:title>RedSunsetDiagram</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/09/rayleigh-by-wavelength.jpg</image:loc><image:title>Rayleigh by Wavelength</image:title></image:image><lastmod>2026-03-14T16:54:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/equatorial-celestial-coordinates-explained/</loc><lastmod>2026-03-14T16:29:10+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://explainingscience.org/conformal-mapping/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2026/03/conformal-mapping-mc-escher.jpg</image:loc><image:title>Conformal Mapping MC Escher</image:title></image:image><lastmod>2026-03-14T11:41:13+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://explainingscience.org/2019/05/28/stellar-aberration/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberration-bradley-explanation.png</image:loc><image:title>Aberration bradley explanation</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberation-calculation-1.png</image:loc><image:title>Aberation calculation</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberation-ecliptic.png</image:loc><image:title>Aberation ecliptic</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberation-amount.png</image:loc><image:title>Aberation amount</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberation-calculation.png</image:loc><image:title>Aberation calculation</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberation-earthsframe.png</image:loc><image:title>Aberation Earthsframe</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberation-suns-frame.png</image:loc><image:title>Aberation suns frame</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberation-differences.png</image:loc><image:title>Aberation differences</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/aberation-bradley-explanation.png</image:loc><image:title>Aberation bradley explanation</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/abberation-earths-motion.png</image:loc><image:title>Abberation Earths motion</image:title></image:image><lastmod>2026-03-09T20:09:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/07/25/the-steady-state-theory/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/big_bang_and_steady-state_theory.jpg</image:loc><image:title>Big_Bang_and_Steady-State_Theory</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/steady-state-quasar.jpg</image:loc><image:title>Steady State Quasar</image:title><image:caption>This artist’s impression shows how ULAS J1120+0641, a very distant quasar powered by a black hole with a mass two billion times that of the Sun, may have looked. This quasar is the most distant yet found and is seen as it was just 770 million years after the Big Bang. This object is by far the brightest object yet discovered in the early Universe.</image:caption></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/facebooklogo.png</image:loc><image:title>Facebooklogo</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/dark-energy-hubbles-law.png</image:loc><image:title>dark Energy Hubbles law</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/the-sun.jpg</image:loc><image:title>The Sun</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/steady-state-theory1.jpg</image:loc><image:title>Steady State Theory</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/quasar.jpg</image:loc><image:title>Quasar</image:title></image:image><lastmod>2026-03-08T18:22:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2014/05/27/the-days-are-getting-longer/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/lengthening-day-leap-seconds.jpg</image:loc><image:title>Lengthening Day Leap seconds</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/lengthening-day-tidal-friction.jpg</image:loc><image:title>Lengthening Day Tidal Friction</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/short-guide-to-the-moon-cover.jpg</image:loc><image:title>Short Guide to the Moon Cover</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/moon-leap-second.png</image:loc><image:title>Moon Leap second</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/moon-tides.png</image:loc><image:title>Moon Tides</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/leap-second-june-2012.png</image:loc><image:title>Leap Second June 2012</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/tidal-bulge1.jpg</image:loc><image:title>Tidal bulge</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/leap-second2.jpg</image:loc><image:title>Leap Second2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/tides1.jpg</image:loc><image:title>tides</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/future-day-length.jpg</image:loc><image:title>Future Day Length</image:title></image:image><lastmod>2026-03-07T18:59:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2026/02/20/the-three-types-of-year-sidereal-tropical-anomalistic/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2026/02/year-three-types-of-year.jpg</image:loc><image:title>Year Three types of year</image:title></image:image><lastmod>2026-03-06T11:15:37+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/06/13/methane-on-mars/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/06/mars-curosity-in-gale-crater.jpg</image:loc><image:title>Mars Curosity in Gale Crater</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/06/curiosity-selfy.jpg</image:loc><image:title>Curiosity Selfy</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/06/curiosity1.png</image:loc><image:title>Curiosity</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/06/mars-inclination.png</image:loc><image:title>mars inclination</image:title></image:image><lastmod>2026-03-05T12:41:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/10/22/schiaparelli-on-mars-updated/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/schiaparelli-landing.jpg</image:loc><image:title>Schiaparelli Landing</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/schiaparelli_landing.png</image:loc><image:title>schiaparelli_landing</image:title></image:image><lastmod>2026-03-05T12:34:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/10/13/schiaparelli-on-mars/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/schiaparelli-spacecraft-on-mars.jpg</image:loc><image:title>ESA Exomars 2016</image:title><image:caption>ESA Exomars 2016</image:caption></image:image><lastmod>2026-03-05T12:11:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/04/03/short-post-of-the-month-april-2016-life-on-mars/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/04/exomars-tgo.jpg</image:loc><image:title>ExoMars TGO</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/mars-nasa1.jpg</image:loc><image:title>Mars NASA</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/methanogen.png</image:loc><image:title>methanogen</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/trace-gas-orbiter.png</image:loc><image:title>Trace Gas orbiter</image:title></image:image><lastmod>2026-03-05T11:35:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2026/02/27/the-impact-of-earths-rotation-on-time-measurement/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2026/02/year-mean-solar-day-length.png</image:loc><image:title>Year Mean Solar Day Length</image:title></image:image><lastmod>2026-03-02T22:51:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/latest/</loc><lastmod>2026-02-27T22:38:50+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://explainingscience.org/2014/12/22/christmas-day-and-the-calendar/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/12/mars.jpg</image:loc><image:title>Mars</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/12/happy-horse-year-2014.jpg</image:loc><image:title>Happy-Horse-Year-2014</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/12/sept-1753.jpg</image:loc><image:title>Sept 1753</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/12/gregorian-calendar.gif</image:loc><image:title>Gregorian Calendar</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/12/february29jpg.jpg</image:loc><image:title>February29jpg</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/12/solar-year.jpg</image:loc><image:title>solar year</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/12/orthodox-christmas.jpg</image:loc><image:title>Orthodox Christmas</image:title></image:image><lastmod>2026-02-22T20:21:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/06/08/paperback-and-e-book-from-the-science-geek-on-venus/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/venus-cover.png</image:loc><image:title>Venus Cover</image:title></image:image><lastmod>2026-02-22T20:20:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/04/13/easter-21-april-2019/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/03/easter-full-moon.png</image:loc><image:title>Easter Full Moon</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/03/easter-dates-1.png</image:loc><image:title>Easter Dates</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/03/easter-eggs-1.png</image:loc><image:title>Easter Eggs</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/03/easter-dates.png</image:loc><image:title>Easter Dates</image:title></image:image><lastmod>2026-02-22T20:18:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/test-page/</loc><lastmod>2026-02-20T18:03:50+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://explainingscience.org/recent-posts/</loc><lastmod>2026-02-17T17:06:23+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://explainingscience.org/2025/08/09/latitude-and-longitude-on-the-moon-and-the-planets/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-jupiter-definition.png</image:loc><image:title>Lat and Long jupiter definition</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-jupiter.png</image:loc><image:title>Lat and Long Jupiter</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-mercury-orbit4.png</image:loc><image:title>Lat and Long Mercury orbit4</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-mercury-orbit3.png</image:loc><image:title>Lat and Long Mercury orbit3</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-mercury-orbit2.png</image:loc><image:title>Lat and Long Mercury orbit2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-mercury-orbit1.png</image:loc><image:title>Lat and Long Mercury orbit1</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-old-style.png</image:loc><image:title>Lat and Long Old style</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-libration.png</image:loc><image:title>Lat and Long Libration</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/lat-and-long-definition.png</image:loc><image:title>Lat and Long Definition</image:title></image:image><lastmod>2026-02-17T17:03:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/11/08/nasas-artemis-moon-missions-november-2025-update/</loc><lastmod>2026-02-17T17:00:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2024/07/18/understanding-solar-day-length-variation/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/07/day-variation-combined-1.png</image:loc><image:title>Day Variation combined</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/07/day-variation-combined.png</image:loc><image:title>Day Variation combined</image:title></image:image><lastmod>2026-02-11T16:24:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/10/09/jim-peebles-winner-of-the-noble-prize-2019/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/10/cmb-peebles.png</image:loc><image:title>CMB Peebles</image:title></image:image><lastmod>2026-02-04T22:36:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2021/03/13/distances-in-cosmology/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/distances-comoving-1.png</image:loc><image:title>Distances Comoving</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/distances-photon-shells-future.png</image:loc><image:title>Distances Photon shells future</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/distances-photon-shells-2d-cut.png</image:loc><image:title>Distances Photon shells 2d cut</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/distances-photon-shells.png</image:loc><image:title>Distances Photon shells</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/distances-comoving-graph.png</image:loc><image:title>Distances Comoving graph</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/distances-light-travel-time.png</image:loc><image:title>Distances light travel time</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/distances-cmb-1.png</image:loc><image:title>Distances CMB</image:title></image:image><lastmod>2026-02-04T22:35:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/08/27/the-cosmic-microwave-background-part-i/</loc><lastmod>2026-02-04T22:16:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/09/19/the-cosmic-microwave-background-part-ii/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/09/local-group1.png</image:loc><image:title>local-group</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/09/cobe-map.gif</image:loc><image:title>cobe-map</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/09/hydra.png</image:loc><image:title>hydra</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/09/earth-around-sun.png</image:loc><image:title>earth-around-sun</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/08/history_of_the_universe2.png</image:loc><image:title>History_of_the_Universe2.</image:title></image:image><lastmod>2026-02-04T22:11:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/how-solar-mass-loss-affects-earths-orbital-properties/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2026/02/orbit-radius-orbital-period-and-velocity-2.png</image:loc><image:title>Orbit Radius Orbital Period and velocity</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2026/02/orbit-earths-orbit.png</image:loc><image:title>Orbit Earths Orbit</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2026/02/orbit-orbital-parameters-1.png</image:loc><image:title>Orbit Orbital parameters</image:title></image:image><lastmod>2026-02-04T13:05:54+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://explainingscience.org/2015/04/12/the-future-of-the-sun/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/04/core-helium-burning.png</image:loc><image:title>Core Helium Burning</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/04/future-sunrisev21.jpg</image:loc><image:title>Future Sunrisev2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/04/hr_diagram.jpg</image:loc><image:title>hr_diagram</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/04/sun-chariot.gif</image:loc><image:title>sun-chariot</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/04/planetary-nebula.jpg</image:loc><image:title>Planetary Nebula</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/04/sun-red-giant.jpg</image:loc><image:title>Sun red giant</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/04/suns-interior.jpg</image:loc><image:title>Suns Interior</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/03/hrdiagram2.gif</image:loc><image:title>hrdiagram</image:title></image:image><lastmod>2026-02-03T17:46:27+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/11/10/the-morning-star-venus/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/venus-next-2-years1.png</image:loc><image:title>Venus next 2 years</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/transit-of-venus.jpg</image:loc><image:title>Transit of Venus</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/mariner-2.jpg</image:loc><image:title>Mariner 2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/mars-nasa.jpg</image:loc><image:title>Mars NASA</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/venus-phases1.png</image:loc><image:title>Venus Phases</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/venus-orbit.png</image:loc><image:title>Venus Orbit</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/venus-real.jpg</image:loc><image:title>Venus-real</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/venus-and-jupiter.jpg</image:loc><image:title>Venus and Jupiter</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/galileo_galilei.jpg</image:loc><image:title>Galileo_Galilei</image:title></image:image><lastmod>2026-02-01T17:36:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2024/01/01/bad-scientific-journalism/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/02/bad-jour-lazy.png</image:loc><image:title>bad-jour-lazy</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-indep-sun-antarctic-circle.png</image:loc><image:title>bad-jour-indep-sun-antarctic-circle</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-indep-sun-southern-lats.png</image:loc><image:title>bad-jour-indep-sun-southern-lats</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-indep-tropic-capricorn.png</image:loc><image:title>bad-jour-indep-tropic-capricorn</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-indep-sun-low-southern-lats.png</image:loc><image:title>bad-jour-indep-sun-low-southern-lats</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-indep-sun-equator.png</image:loc><image:title>bad-jour-indep-sun-equator</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-indep-sun-northern-hemisphere.png</image:loc><image:title>bad-jour-indep-sun-northern-hemisphere</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-indep-sun-arctic-circle.png</image:loc><image:title>bad-jour-indep-sun-arctic-circle</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-latitude-lines.png</image:loc><image:title>bad-jour-latitude-lines</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/bad-jour-indep.png</image:loc><image:title>bad-jour-indep</image:title></image:image><lastmod>2026-02-01T11:20:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2024/04/01/the-solstice-lazy-scientific-journalism-updated/</loc><lastmod>2026-02-01T11:15:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/04/24/the-earths-magnetic-field/</loc><lastmod>2026-01-31T22:45:27+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/01/12/dark-energy/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/01/distant-galaxies1.jpg</image:loc><image:title>Distant Galaxies</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/01/distant-galaxies2.jpg</image:loc><image:title>Distant Galaxies2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/01/universe-expanding.jpg</image:loc><image:title>Universe Expanding</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/01/physics-nobel-prize-2011.jpg</image:loc><image:title>Physics Nobel Prize 2011</image:title></image:image><lastmod>2026-01-31T12:55:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/08/09/is-there-anyone-out-there-e-book-from-the-the-science-geek/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/is-anyone-out-there-cover1.jpg</image:loc><image:title>Is Anyone Out There Cover</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/moon-cover.jpg</image:loc><image:title>Moon Cover</image:title></image:image><lastmod>2026-01-21T17:10:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/11/28/copernicus/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/parallax1.jpg</image:loc><image:title>Parallax</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/parallax.jpg</image:loc><image:title>Parallax</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/copernicus.jpg</image:loc><image:title>Copernicus</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/bruno-burning.jpg</image:loc><image:title>Bruno burning</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/copernicus_torun.jpg</image:loc><image:title>Copernicus_torun</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/jag-uni.jpg</image:loc><image:title>Jag Uni</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/2nd-epicycles.jpg</image:loc><image:title>2nd epicycles</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/equant1.jpg</image:loc><image:title>Equant</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/11/wroclaw-airport.jpg</image:loc><image:title>Wroclaw Airport</image:title></image:image><lastmod>2026-01-19T16:21:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/08/24/september-18-the-shortest-day/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/perhelion-ap.jpg</image:loc><image:title>Perhelion Ap</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/combined-effect.jpg</image:loc><image:title>combined effect</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/sun-around-earth.jpg</image:loc><image:title>Sun around Earth</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/sun-around-earth2.png</image:loc><image:title>Sun around Earth</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/sun-around-earth-projection.png</image:loc><image:title>Sun around Earth projection</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/ecliptic1.png</image:loc><image:title>Ecliptic</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/perihelion-aphelion1.png</image:loc><image:title>Perihelion Aphelion</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/earths-orbit-around-sun1.png</image:loc><image:title>Earths Orbit around sun</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/sept-18-shortest1.png</image:loc><image:title>Sept 18 Shortest</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/length-of-day-effects.png</image:loc><image:title>Length of day effects</image:title></image:image><lastmod>2026-01-18T12:28:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/05/18/the-oort-cloud/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-sun-milky-way-1.png</image:loc><image:title>Oort Sun Milky way</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-sun-milky-way.png</image:loc><image:title>Oort Sun Milky way</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-cloud-tide-summary.png</image:loc><image:title>Oort Cloud tide summary</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-cloud-moons-gravity.png</image:loc><image:title>Oort Cloud moons gravity</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-cloud-sun-weak-gravity.png</image:loc><image:title>Oort Cloud sun weak gravity</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-cloud-lp-comets.png</image:loc><image:title>Oort Cloud LP Comets</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-cloud-inner-and-outer.png</image:loc><image:title>Oort Cloud inner and outer</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-cloud-distances.png</image:loc><image:title>Oort Cloud distances</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/05/oort-cloud-cloud.png</image:loc><image:title>Oort Cloud cloud</image:title></image:image><lastmod>2026-01-15T12:07:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/08/17/solar-eclipse-21-august-2017-america-on-the-move/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/solar-eclipse-mass-migration.png</image:loc><image:title>Solar Eclipse mass migration</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/salem.jpg</image:loc><image:title>Salem</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/eclipse-headline.png</image:loc><image:title>Eclipse headline</image:title></image:image><lastmod>2026-01-15T11:44:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/07/09/solar-eclipse-21-august-2017/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/07/moon-tilt.png</image:loc><image:title>Moon Tilt</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/07/travelwyoming1.png</image:loc><image:title>TravelWyoming</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/07/elsipse-path2.png</image:loc><image:title>Elsipse path2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/07/eclispe-times.png</image:loc><image:title>Eclispe Times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/07/usa_eclipse_map_v2_print.jpg</image:loc><image:title>usa_eclipse_map_v2_print</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/07/eclipse.png</image:loc><image:title>Eclipse.</image:title></image:image><lastmod>2026-01-15T11:07:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2026/01/12/perfect-numbers/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2026/01/perfect-numbers-in-binary.png</image:loc><image:title>Perfect Numbers in binary</image:title></image:image><lastmod>2026-02-01T11:08:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/09/01/the-goldbach-conjecture/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/08/goldbach-millenium.png</image:loc><image:title>Goldbach millenium</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/08/golbach-uncle-petros.png</image:loc><image:title>Golbach Uncle petros</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/08/golbach-euler.png</image:loc><image:title>Golbach Euler</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/08/goldbachgoldbach-1.png</image:loc><image:title>Goldbachgoldbach</image:title></image:image><lastmod>2026-03-25T13:59:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/08/12/196-an-unsolved-problem/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/other-lychrels.png</image:loc><image:title>Other Lychrels</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/07/196.jpg</image:loc><image:title>196</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/07/lychrel.png</image:loc><image:title>Lychrel</image:title></image:image><lastmod>2026-01-12T16:09:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/07/08/twilight-and-the-long-summer-evenings/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/07/image-3.png</image:loc><image:title>image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/07/image-2.png</image:loc><image:title>image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/07/long-evenings-vidlin.png</image:loc><image:title>Long evenings Vidlin</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/07/solstice-uk-map.png</image:loc><image:title>Solstice UK Map</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/07/image-1.png</image:loc><image:title>image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/07/image.png</image:loc><image:title>image</image:title></image:image><lastmod>2026-01-10T12:47:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/06/16/summer-twilight/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/06/twilight-duration-boulder-1.png</image:loc><image:title>Twilight duration boulder</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/06/twilight-duration-1.png</image:loc><image:title>Twilight duration</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/06/twilight-simmer-dim3.png</image:loc><image:title>Twilight simmer dim3</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/06/img_0538.jpg</image:loc><image:title>IMG_0538</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/06/twilight-sun-path.png</image:loc><image:title>Twilight sun path</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/06/twilight-stages.png</image:loc><image:title>Twilight stages</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/06/twilight-sun-below-hor.png</image:loc><image:title>Twilight sun below hor</image:title></image:image><lastmod>2026-01-10T12:31:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/10/09/twilight/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/twilight-durationpng.png</image:loc><image:title>twilight-durationpng</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/stages-of-twilight.png</image:loc><image:title>stages-of-twilight</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/sunaftersunset.png</image:loc><image:title>sunaftersunset</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/nautical-twilight.png</image:loc><image:title>nautical-twilight</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/jaguar.jpg</image:loc><image:title>jaguar</image:title><image:caption>Covert</image:caption></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/09/apollo-earth-from-moon.jpg</image:loc><image:title>apollo-earth-from-moon</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/09/civiltwilight1.png</image:loc><image:title>civiltwilight</image:title></image:image><lastmod>2026-01-10T12:15:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2024/10/04/gliese-710/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/10/gliese-710-path-1.png</image:loc><image:title>Gliese 710 path</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/10/gliese-710-speculation-1.png</image:loc><image:title>Gliese 710 speculation</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/10/gliese-710-path.png</image:loc><image:title>Gliese 710 path</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/10/gliese-710-closest-approach.png</image:loc><image:title>Gliese 710 closest approach</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/10/gliese-710-proper-motion.png</image:loc><image:title>Gliese 710 proper motion</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/10/gliese-710-gaia.png</image:loc><image:title>Gliese 710 Gaia</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/10/gliese-710-relative-sizes.png</image:loc><image:title>Gliese 710 Relative sizes</image:title></image:image><lastmod>2026-01-10T10:02:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/09/16/how-libration-reveals-some-of-the-moons-far-side/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/libration-orbit-top-view2.png</image:loc><image:title>Libration Orbit top view2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/libration-orbit-overhead-view.png</image:loc><image:title>Libration Orbit overhead view</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/libration-orbit-top-view.png</image:loc><image:title>Libration Orbit top view</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/libration-moons-orbit.png</image:loc><image:title>Libration Moons orbit</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/libration-overview.png</image:loc><image:title>Libration Overview</image:title></image:image><lastmod>2026-01-07T11:42:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/12/14/december-21-2018-the-solstice/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/solstice-stonehenge-open.jpg</image:loc><image:title>solstice stonehenge open</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/solstice-stonehenge.jpg</image:loc><image:title>Solstice Stonehenge</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/solstice-times.jpg</image:loc><image:title>Solstice Times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/solstice-manc-rise-and-set.jpg</image:loc><image:title>Solstice Manc Rise and set</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/solstice-sun-elev.jpg</image:loc><image:title>Solstice Sun Elev</image:title></image:image><lastmod>2026-01-05T13:04:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2023/12/10/december-22-2023-the-solstice/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/solstice-cm-hill.jpg</image:loc><image:title>solstice-cm-hill</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/solstice-stonehenge-2022.png</image:loc><image:title>Solstice stonehenge 2022</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/solstice-earth-orbit.png</image:loc><image:title>Solstice Earth Orbit</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2023/12/solstice-day-length.png</image:loc><image:title>Solstice Day length</image:title></image:image><lastmod>2026-01-05T13:00:42+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/05/25/the-anthropic-principle/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/05/big-crunch.jpg</image:loc><image:title>Big Crunch</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/05/robots.jpg</image:loc><image:title>robots</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/05/em-force.jpg</image:loc><image:title>Em 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12</image:title></image:image><lastmod>2025-12-25T14:43:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/10/04/4-october-1957-the-start-of-the-space-age/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/vanguard-tv3.png</image:loc><image:title>Vanguard TV3</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/laika.jpg</image:loc><image:title>Laika</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/sputnik-orbit.png</image:loc><image:title>Sputnik Orbit</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/sputnik-1.png</image:loc><image:title>Sputnik 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lift</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/Space-Richard-Branson.png</image:loc><image:title>Space Richard Branson</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/space-density-and-press.png</image:loc><image:title>space density and press</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/space-back-sky.png</image:loc><image:title>space back sky</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/Space-concorde.png</image:loc><image:title>Space concorde</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/12/Space-Virgin-Galactic-1.png</image:loc><image:title>Space Virgin 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CO2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/02/ev-four-star.png</image:loc><image:title>EV four star</image:title></image:image><lastmod>2025-12-23T10:49:13+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/home/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/01/new-logo2.png</image:loc><image:title>New Logo2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/10/short-guide-to-the-moon-cover.jpg</image:loc><image:title>Short Guide to the Moon Cover</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/07/youtube-logo.png</image:loc><image:title>YouTube Logo</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/03/short-guide-to-seti-cover.jpg</image:loc><image:title>Short Guide to SETI 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production</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-hydrogen-filling-stations.png</image:loc><image:title>EV Hydrogen filling stations</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-mirai.png</image:loc><image:title>EV Mirai</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-hygrogen-tank.png</image:loc><image:title>EV Hygrogen tank</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-hydrogen-energy-flow.png</image:loc><image:title>EV Hydrogen energy flow</image:title></image:image><lastmod>2025-12-22T14:57:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/12/01/five-popular-science-books-by-real-scientists/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/11/books-ai.png</image:loc><image:title>Books AI</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/11/books-quantum-gravity.png</image:loc><image:title>Books quantum gravity</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/11/books-math-univ.png</image:loc><image:title>Books math Univ</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/11/books-infinity.png</image:loc><image:title>Books 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distance</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/dark-energy-equation-4.png</image:loc><image:title>Dark Energy equation 4</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/dark-energy-equation-3b.png</image:loc><image:title>Dark Energy equation 3b</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/dark-energy-equation-3-mf.png</image:loc><image:title>Dark Energy equation 3 mf</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/dark-energy-equation-3.png</image:loc><image:title>Dark Energy equation 3</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/dark-energy-equation-2.png</image:loc><image:title>Dark Energy equation 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decel</image:title></image:image><lastmod>2025-12-19T14:44:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2024/03/23/easter-march-31-2024/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/03/easter-orthodox-dates.png</image:loc><image:title>easter-orthodox-dates</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/03/easter-dates.png</image:loc><image:title>easter-dates</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/03/easter-egg.png</image:loc><image:title>easter-egg</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/03/easter-when-is-1.png</image:loc><image:title>easter-when-is-1</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2024/03/easter-when-is.png</image:loc><image:title>easter-when-is</image:title></image:image><lastmod>2025-12-18T10:53:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2022/01/04/overview-of-tides/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/01/tides-mag-moons-gravity.png</image:loc><image:title>Tides 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day</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/03/energy-solar-elevation.png</image:loc><image:title>Energy solar elevation</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/03/energy-sun-sky.png</image:loc><image:title>Energy Sun Sky</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/03/energy-renewals.png</image:loc><image:title>Energy renewals</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/03/energy-solar-constant.png</image:loc><image:title>Energy solar constant</image:title></image:image><lastmod>2025-12-15T14:40:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/04/08/the-rare-earth-hypothesis/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/04/short-guide-to-seti-cover.jpg</image:loc><image:title>Short Guide to SETI Cover</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/04/trilobite.jpg</image:loc><image:title>Trilobite</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/04/timeline.jpg</image:loc><image:title>Timeline</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/04/slime.jpg</image:loc><image:title>slime</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/04/the-moon.jpg</image:loc><image:title>The 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1</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/tycho-brahe.jpg</image:loc><image:title>Tycho Brahe</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/ellipse-axes.jpg</image:loc><image:title>Ellipse axes</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/kepler-law2.jpg</image:loc><image:title>Kepler Law2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/high-e.jpg</image:loc><image:title>High e</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/ellipse.jpg</image:loc><image:title>Ellipse</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/copern-epicycle.jpg</image:loc><image:title>Copern Epicycle</image:title></image:image><lastmod>2025-12-14T11:57:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/12/14/the-darker-mornings/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/12/wellington-dec-sunset.jpg</image:loc><image:title>Wellington Dec sunset</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/12/day-shift.jpg</image:loc><image:title>Day shift</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/12/london-dec-sunset.jpg</image:loc><image:title>London Dec sunset</image:title></image:image><lastmod>2025-12-14T11:38:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/09/01/the-discovery-of-pulsars-1967/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/09/pulsar-in-range.jpg</image:loc><image:title>Pulsar in range</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/09/jbell.jpg</image:loc><image:title>JBell</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/lighthouse.png</image:loc><image:title>lighthouse</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/hewish.jpg</image:loc><image:title>Hewish</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/08/angular-momentum.jpg</image:loc><image:title>Angular Momentum and an ice 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spectrum</image:title></image:image><lastmod>2025-12-12T12:59:27+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/12/01/a-christmas-present-from-the-science-geek/</loc><lastmod>2025-12-12T12:35:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/12/14/the-evenings-are-drawing-out-already/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/12/day-shift.png</image:loc><image:title>Day Shift</image:title></image:image><lastmod>2025-12-12T12:17:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/02/16/terraforming-venus/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/02/hyperion-steam-engine2.png</image:loc><image:title>Hyperion Steam 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Water</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/02/venus-sunshade.png</image:loc><image:title>Venus 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sunset</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/equation.gif</image:loc><image:title>equation</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/day-shift.jpg</image:loc><image:title>Day Shift</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/sundial.jpg</image:loc><image:title>Sundial</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/sunrise-and-sunset.jpg</image:loc><image:title>Sunrise and Sunset</image:title></image:image><lastmod>2025-12-11T10:50:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/02/18/dark-matter/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/02/gravitational-lensing1.jpg</image:loc><image:title>gravitational-lensing</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/02/brown-dwarfs.jpg</image:loc><image:title>Brown dwarfs</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/02/virgo-galaxies-cluster.jpg</image:loc><image:title>virgo-galaxies-cluster</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/02/dark-matter-halo.jpg</image:loc><image:title>dark matter 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Factors</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/03/61-phases.png</image:loc><image:title>61 Phases</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/03/venus-bright-phases.jpg</image:loc><image:title>Venus Bright Phases</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/03/60-inverse-square-law.png</image:loc><image:title>60 Inverse square law</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/03/venus-bright-evening-star.png</image:loc><image:title>Venus Bright evening 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Astra</image:title></image:image><lastmod>2025-11-26T15:39:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/03/06/transition-to-electric-vehicles-part-3/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-corby-.png</image:loc><image:title>EV Corby</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-trafford-centre.png</image:loc><image:title>EV Trafford Centre</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-growing-market.png</image:loc><image:title>EV Growing market</image:title></image:image><lastmod>2025-11-26T15:38:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/03/14/transition-to-electric-vehicles-part-4/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-ford-focus.png</image:loc><image:title>EV Ford Focus</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/image.png</image:loc><image:title>image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-battery-.png</image:loc><image:title>EV battery</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/03/ev-vauxhall-warranty.png</image:loc><image:title>EV Vauxhall 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14</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-wek-feynmann.png</image:loc><image:title>fine-tuning-wek-feynmann</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-nuclear-force.png</image:loc><image:title>fine-tuning-nuclear-force</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-antiquark-flavours.png</image:loc><image:title>fine-tuning-antiquark-flavours</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-quark-flavours.png</image:loc><image:title>fine-tuning-quark-flavours</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-earth-moon-forces.png</image:loc><image:title>fine-tuning-earth-moon-forces</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-atom-forces.png</image:loc><image:title>fine-tuning-atom-forces</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-gravityforce.png</image:loc><image:title>fine-tuning-gravityforce</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-beaker.png</image:loc><image:title>fine-tuning-beaker</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2022/05/fine-tuning-van-der-waals-1.png</image:loc><image:title>fine-tuning-van-der-waals-1</image:title></image:image><lastmod>2025-11-26T15:05:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2014/07/09/eureka/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/07/archimedes_bathtub1.jpg</image:loc><image:title>Archimedes_bathtub</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/07/ancient-gold-jewellery.jpg</image:loc><image:title>Ancient 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jewellery</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/gold-leaf.jpg</image:loc><image:title>gold leaf</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/04/nitric-acid.jpg</image:loc><image:title>Nitric Acid</image:title></image:image><lastmod>2025-11-23T10:44:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2014/11/17/a-brief-history-of-the-universe/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/big-bang-nucleosynthesis.png</image:loc><image:title>Big Bang nucleosynthesis</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/universe-temperature3.png</image:loc><image:title>Universe Temperature</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/plasma.jpg</image:loc><image:title>plasma</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/big-bang-fusion.jpg</image:loc><image:title>Big Bang fusion</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/11/carbon.jpg</image:loc><image:title>Carbon</image:title></image:image><lastmod>2025-11-20T12:11:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/04/26/venus-the-morning-star/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/04/short-guide-to-venus-cover-ebk-1.jpg</image:loc><image:title>Short Guide to Venus Cover ebk</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/04/short-guide-to-venus-cover-ebk.jpg</image:loc><image:title>Short Guide to Venus Cover ebk</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/04/venus-orbit.png</image:loc><image:title>Venus Orbit</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/04/venus-evening-star.png</image:loc><image:title>Venus evening 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3</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/solar-sails-example-2-path.png</image:loc><image:title>Solar sails example 2 path</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/solar-sails-example-2.png</image:loc><image:title>Solar sails example 2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/solar-sails-example-1-path.png</image:loc><image:title>Solar sails example 1 path</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/solar-sails-example-1.png</image:loc><image:title>Solar sails example 1</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/solar-sails-absorption-2.png</image:loc><image:title>Solar sails absorption 2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/solar-sails-absorption-1.png</image:loc><image:title>Solar sails absorption 1</image:title></image:image><lastmod>2025-09-21T14:39:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/09/21/solar-sails-fuel-free-space-travel/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/solar-sails-falcon-9.png</image:loc><image:title>solar sails falcon 9</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/image.png</image:loc><image:title>image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/solar-sails-thrust-angle.png</image:loc><image:title>Solar sails thrust angle</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/solar-sails-steering.png</image:loc><image:title>Solar sails steering</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/09/solar-sails-principle.png</image:loc><image:title>Solar sails principle</image:title></image:image><lastmod>2025-10-05T08:44:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2023/12/06/a-christmas-gift-from-explaining-science-2023/</loc><lastmod>2025-09-18T13:04:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2024/12/07/free-ebooks-from-explaining-science-2024/</loc><lastmod>2025-09-18T12:58:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/08/19/lunar-stationary-orbits-why-they-are-impossible/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/image-3.png</image:loc><image:title>image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/geo-orbit-hill-sphere-formula.png</image:loc><image:title>Geo Orbit Hill sphere formula</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/image-2.png</image:loc><image:title>image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/geo-orbit-hill-clarke-paper.png</image:loc><image:title>Geo Orbit Hill Clarke paper</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/image-1.png</image:loc><image:title>image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/08/image.png</image:loc><image:title>image</image:title></image:image><lastmod>2025-10-05T08:43:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/01/08/the-evening-star-venus/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/01/venus-from-earth-1.png</image:loc><image:title>Venus from Earth</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/01/venus-next-2-years.png</image:loc><image:title>venus-next-2-years</image:title></image:image><lastmod>2025-09-16T09:00:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/05/27/the-zoo-hypothesis/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/05/enrico-fermi.jpg</image:loc><image:title>Enrico Fermi</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/05/the-stae-of-the-art.png</image:loc><image:title>The Stae of the Art</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/05/primedirective.png</image:loc><image:title>Primedirective</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/05/childhoodsend.png</image:loc><image:title>Childhoodsend</image:title></image:image><lastmod>2025-08-28T17:34:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/08/01/the-perseids-meteor-shower-2025/</loc><lastmod>2025-08-01T11:10:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2014/05/21/earths-nearest-neighbour/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/moon-phases.jpg</image:loc><image:title>Moon Phases</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/05/near-and-far-sides-of-the-moon.jpg</image:loc><image:title>Near 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moon</image:title></image:image><lastmod>2025-07-21T17:03:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2025/06/26/artemis/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/06/short-guide-to-the-moon-cover.jpg</image:loc><image:title>Short Guide to the Moon Cover</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/06/artemis-3-crewe-on-surface.jpg</image:loc><image:title>Artemis 3 crewe on surface</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/06/artemis-mountains-solar-power2.png</image:loc><image:title>Artemis Mountains solar power2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2025/06/artemis-high-mountain.png</image:loc><image:title>Artemis High 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times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/06/solstice-sr-and-ss-times.jpg</image:loc><image:title>Solstice SR and SS times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/06/solstice-sun-el.jpg</image:loc><image:title>Solstice Sun El</image:title></image:image><lastmod>2021-06-21T13:09:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2021/05/16/satellite-navigation/</loc><lastmod>2021-05-24T16:11:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/05/08/ultimate-fate-of-the-universe/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/05/black-hole.jpg</image:loc><image:title>Black 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dates</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/easter-equinoxes.png</image:loc><image:title>Easter equinoxes</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/easter-pancakes.png</image:loc><image:title>Easter Pancakes</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/easter-bunny.png</image:loc><image:title>Easter bunny</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/03/easter-sunday2.png</image:loc><image:title>Easter Sunday2</image:title></image:image><lastmod>2021-04-16T21:20:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/12/02/the-discovery-of-dark-energy/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/12/dark-energy-redshift.png</image:loc><image:title>Dark energy redshift</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/12/dark-energy-type-ia-evolution.png</image:loc><image:title>Dark Energy Type Ia evolution</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/12/dark-energy-globular-clusters.png</image:loc><image:title>Dark energy globular clusters</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/12/dark-energy-hubbles-law.png</image:loc><image:title>dark Energy Hubbles law</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/12/dark-energy-galaxy-redshift.png</image:loc><image:title>Dark energy galaxy redshift</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/12/dark-energy-hydrogen-alpha.png</image:loc><image:title>Dark energy Hydrogen alpha</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/12/dark-energy-big-crunch.png</image:loc><image:title>Dark Energy Big crunch</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/12/dark-energy-slowing-expansion.png</image:loc><image:title>Dark Energy slowing expansion</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/01/dark-energy-now.png</image:loc><image:title>Dark energy  now</image:title></image:image><lastmod>2024-01-17T04:20:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2021/02/27/advancing-the-clocks/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/02/dst-ending.png</image:loc><image:title>DST ending</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/02/dst-ny-santiago.png</image:loc><image:title>DST NY Santiago</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/02/dst-ny-london.png</image:loc><image:title>DST NY London</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/02/dst14-march.png</image:loc><image:title>DST14 March</image:title></image:image><lastmod>2021-03-18T17:03:24+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/05/29/spaceport-uk/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/vss-unity.png</image:loc><image:title>VSS Unity</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/space-ship-two-landing.png</image:loc><image:title>space ship two landing</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/virgin-galactic-rocket-motor1.png</image:loc><image:title>Virgin Galactic rocket motor</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/whiteknighttwo.jpg</image:loc><image:title>WhiteKnightTwo</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/virgin-galactic-logo.png</image:loc><image:title>Virgin Galactic logo</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/spaceport-leglisation1.png</image:loc><image:title>spaceport leglisation</image:title></image:image><lastmod>2021-01-02T15:08:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2021/01/01/human-spaceflight-in-2021/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/spaceflight-artemis-team-2.png</image:loc><image:title>Spaceflight artemis team 2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/spaceflight-artemis-team-1.png</image:loc><image:title>Spaceflight artemis team 1</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/spaceflight-lunar-gateway.png</image:loc><image:title>Spaceflight lunar gateway</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/spaceflight-dream-chaser-1.png</image:loc><image:title>Spaceflight dream chaser</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/spaceflight-dream-chaser.png</image:loc><image:title>Spaceflight dream chaser</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/spaceflight-tom-cruise-tweet.png</image:loc><image:title>Spaceflight tom cruise tweet</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/spaceflight-ccrew.png</image:loc><image:title>Spaceflight CCrew</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2021/01/spaceflight-obama-1.png</image:loc><image:title>Spaceflight Obama</image:title></image:image><lastmod>2021-01-05T21:42:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/12/02/arecibo/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/arecibo-component-4-2.png</image:loc><image:title>Arecibo Component 4</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/arecibo-component-3a-1.png</image:loc><image:title>Arecibo Component 3a</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/arecibo-component-3.png</image:loc><image:title>Arecibo Component 3</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/arecibo-component-2.png</image:loc><image:title>Arecibo Component 2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/arecibo-component-2a.png</image:loc><image:title>Arecibo Component 2a</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/12/arecibo-component-1a.png</image:loc><image:title>Arecibo Component 1a</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/linear-a.jpg</image:loc><image:title>linear a</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/arecibo_message_part_1.png</image:loc><image:title>Arecibo_message_part_1</image:title></image:image><lastmod>2021-01-01T17:14:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/12/19/chinese-moon-samples/</loc><lastmod>2021-04-04T16:34:51+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/01/10/transit-of-venus-2/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/venus-ic-dates.png</image:loc><image:title>Venus IC dates</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/jeremiahhorrocks.jpg</image:loc><image:title>JeremiahHorrocks</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/venus-orbital-tilt1.png</image:loc><image:title>Venus Orbital Tilt</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/venus-584-day-4.png</image:loc><image:title>Venus 584 day 4</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/venus-584-day-3.png</image:loc><image:title>Venus 584 day 3</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/venus-584-day-23.png</image:loc><image:title>Venus 584 day 2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/venus-584-day-12.png</image:loc><image:title>Venus 584 day 1</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/children-observing-transit-in-east-timor.jpg</image:loc><image:title>Children Observing Transit in East Timor</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/johannes_kepler_1610.jpg</image:loc><image:title>-Johannes_Kepler_1610</image:title></image:image><lastmod>2020-11-22T15:29:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/09/16/life-on-venus/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/09/venus-lucky-starr.png</image:loc><image:title>Venus Lucky Starr</image:title></image:image><lastmod>2020-11-22T15:22:47+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/10/12/great-silence/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/10/seti-wavlengths.png</image:loc><image:title>SETI Wavlengths</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/10/seti-dolphin.png</image:loc><image:title>SETI Dolphin</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/10/seti-a-bomb.png</image:loc><image:title>SETI A bomb</image:title></image:image><lastmod>2020-11-30T09:09:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/08/10/surveying-the-cosmos-part-ii/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/08/lsst-kuiper.png</image:loc><image:title>LSST Kuiper</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/08/lsst-grb.png</image:loc><image:title>LSST GRB</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/08/lsst-nova.png</image:loc><image:title>LSST Nova</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/08/lsst-strong-lensing.png</image:loc><image:title>LSST strong lensing</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/08/lsst-construction-june-20.png</image:loc><image:title>LSST Construction June 20</image:title></image:image><lastmod>2020-12-17T21:10:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/07/16/short-guide-to-the-moon-ebook/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/07/short-guide-to-the-moon-cover.jpg</image:loc><image:title>Short Guide to the Moon Cover</image:title></image:image><lastmod>2020-07-16T09:16:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/05/15/first-american-crewed-spaceflight-since-2011/</loc><lastmod>2020-05-19T17:55:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/04/12/staying-on-the-moon/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-moon-baseball.png</image:loc><image:title>Moon Moon baseball</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-earth-baseball.png</image:loc><image:title>Moon earth baseball</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-solar-storm.jpg</image:loc><image:title>Moon Solar Storm</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-earths-mag-field.jpg</image:loc><image:title>Moon Earths mag Field</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-earth-phases-1.png</image:loc><image:title>Moon Earth phases</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-earth-phases.png</image:loc><image:title>Moon Earth phases</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-view-of-earth.jpg</image:loc><image:title>Moon View of Earth</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-sky-2.png</image:loc><image:title>Moon Sky 2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-sky-1.png</image:loc><image:title>Moon Sky 1</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/04/moon-apollo-17.png</image:loc><image:title>Moon apollo 17</image:title></image:image><lastmod>2022-09-29T11:07:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2014/06/27/living-on-the-moon/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/06/zero-gravity.jpg</image:loc><image:title>Zero gravity</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/06/undergound-moonbase1.jpg</image:loc><image:title>undergound moonbase</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/06/arthur-c-clarke.jpg</image:loc><image:title>Arthur C Clarke</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/06/international_space_station.jpg</image:loc><image:title>International_Space_Station</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/06/astronaut-inissjpg.jpg</image:loc><image:title>Astronaut inISSjpg</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/06/moon-2009-filmjpg.jpg</image:loc><image:title>Moon 2009 filmjpg</image:title></image:image><lastmod>2020-05-06T15:33:18+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/05/03/dark-sky-places/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/light-pollution-cloudy-skies.png</image:loc><image:title>Light Pollution Cloudy skies</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/dark-skies-equipment.png</image:loc><image:title>Dark Skies equipment</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/dark-skies-kielder-calendar.png</image:loc><image:title>Dark Skies Kielder Calendar</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/dark-skies-bs9.png</image:loc><image:title>Dark Skies BS9</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/dark-skies-bs3.png</image:loc><image:title>Dark Skies BS3</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/light-pollution-bortle.png</image:loc><image:title>Light Pollution Bortle</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/light-pollution-kielder-bortle.png</image:loc><image:title>Light Pollution kielder bortle</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/dark-skies-moffat.png</image:loc><image:title>Dark Skies Moffat</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/light-pollution-uk-places-key.png</image:loc><image:title>Light Pollution uk places key</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/05/dak-skies-uk-places.png</image:loc><image:title>Dak Skies uk places</image:title></image:image><lastmod>2020-05-08T09:52:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/10/24/dark-skies/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/10/dark-skies-kielder.png</image:loc><image:title>Dark Skies Kielder</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/10/nasa-world-light-pollution-map2.jpg</image:loc><image:title>Nasa world light pollution map</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/10/skyglow.png</image:loc><image:title>Skyglow</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/10/la-palma-telescopes.jpg</image:loc><image:title>La Palma Telescopes</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/10/nightscape2.jpg</image:loc><image:title>NightScape2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/10/new-york-at-night.jpg</image:loc><image:title>New York at Night</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/10/over-illumated-building.jpg</image:loc><image:title>Over illumated building</image:title></image:image><lastmod>2020-03-18T16:19:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/02/17/british-coverage-of-apollo-11/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/02/apollo-vhs.png</image:loc><image:title>Apollo VHS</image:title></image:image><lastmod>2020-02-22T17:23:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2020/01/03/happy-new-year-2020/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2020/01/space-artemis.png</image:loc><image:title>Space Artemis</image:title></image:image><lastmod>2020-01-20T12:24:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2014/10/28/the-universe-past-present-and-future/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/10/sun-in-milky-way.jpg</image:loc><image:title>Sun in Milky Way</image:title></image:image><lastmod>2019-11-19T17:20:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/10/17/daylight-saving-time/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/10/dst-santiago-and-new-york-times.png</image:loc><image:title>DST Santiago and New York times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/10/dst-london-and-new-york-times.png</image:loc><image:title>DST London and New York times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/10/dst-countries.png</image:loc><image:title>DST countries</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/10/dst-wwi-map.png</image:loc><image:title>DST WWI map</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/10/dst-27-october-v2.png</image:loc><image:title>DST 27 October v2</image:title></image:image><lastmod>2019-11-02T18:43:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2014/04/09/enceladus-could-there-be-life/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/04/mars-canals.jpg</image:loc><image:title>Mars Canals</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/04/ice-volcanos.png</image:loc><image:title>ice 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23</image:title></image:image><lastmod>2019-09-15T09:44:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/02/25/satellite-navigation-the-next-ten-years/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/02/gps-2weakening1.png</image:loc><image:title>gps-2weakening</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/02/glonass_logo.jpg</image:loc><image:title>glonass_logo</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/02/jammer-hot-line.png</image:loc><image:title>jammer-hot-line</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/02/gps-jamming.png</image:loc><image:title>gps-jamming</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/02/beidou_navigation_satellite_system.jpg</image:loc><image:title>beidou_navigation_satellite_system</image:title></image:image><lastmod>2019-08-29T20:00:23+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/08/18/the-science-geek-is-now-explaining-science/</loc><lastmod>2019-08-19T16:20:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/07/12/apollo-11-lunar-landing/</loc><lastmod>2019-07-24T18:23:20+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2019/05/11/solar-energy-costs/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/05/costs-comparison.png</image:loc><image:title>Costs 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hydo</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/04/world-bird-deaths.png</image:loc><image:title>World Bird Deaths</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/04/world-wind-farm.png</image:loc><image:title>world wind farm</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/04/world-hoover-dam.png</image:loc><image:title>World Hoover dam</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2019/04/world-inc-96_16.png</image:loc><image:title>World inc 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Exploded</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/11/soyuz-launch.jpg</image:loc><image:title>Soyuz Launch</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/11/soyuz-press-conf.jpg</image:loc><image:title>Soyuz Press Conf</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/11/soyuz-ms-11.jpg</image:loc><image:title>Soyuz MS-11</image:title></image:image><lastmod>2018-12-06T14:37:02+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/10/16/soyuz-what-next/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/10/soyuz-missions.jpg</image:loc><image:title>Soyuz Missions</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/10/soyuz-ms-10.jpg</image:loc><image:title>Soyuz MS-10</image:title></image:image><lastmod>2018-11-01T12:20:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/09/13/jocelyn-bell-and-the-breakthrough-prize-2018/</loc><lastmod>2019-07-24T18:22:14+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/08/06/the-international-space-station-updated/</loc><lastmod>2018-09-03T11:02:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/07/09/lunar-eclipse-27-july-2018/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/07/eclipse-times1.jpg</image:loc><image:title>eclipse times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/07/eclipse-times.jpg</image:loc><image:title>eclipse times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/07/eclipse-visibility.jpg</image:loc><image:title>Eclipse Visibility</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/07/lunar-eclipse-times.jpg</image:loc><image:title>Lunar Eclipse times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/07/eclipe-stages1.jpg</image:loc><image:title>Eclipe stages</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/07/eclipse-umbra-penumbra.jpg</image:loc><image:title>Eclipse umbra 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sunrise</image:title></image:image><lastmod>2020-06-07T13:38:06+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/12/07/akatsuki-a-second-chance-updated-7-dec-2015/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/12/20151209-akatsui.jpg</image:loc><image:title>20151209 Akatsui</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/12/jaxa-logo.png</image:loc><image:title>JAXA Logo</image:title></image:image><lastmod>2018-05-09T12:36:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/06/26/mission-juno/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/jupiter-and-juno.jpeg</image:loc><image:title>Jupiter and Juno</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/jupiter-hotspotir.png</image:loc><image:title>Jupiter HotspotIR</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/jupiter-moons.jpg</image:loc><image:title>Jupiter Moons</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/jupiter.jpg</image:loc><image:title>Jupiter</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/juno-at-jupiter.png</image:loc><image:title>Juno at Jupiter</image:title></image:image><lastmod>2018-04-25T20:35:59+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2018/03/04/20-march-2018-the-equinox/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/03/idh-resolution.jpg</image:loc><image:title>IDh 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telescope</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/lenses.jpg</image:loc><image:title>Lenses</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/kepler-solids.jpg</image:loc><image:title>kepler solids</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/hexagonal-snowflakes.jpg</image:loc><image:title>hexagonal snowflakes</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/keplerian-telescope1.jpg</image:loc><image:title>Keplerian telescope</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/kepler-statue.jpg</image:loc><image:title>Kepler Statue</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/thomas-hales.jpg</image:loc><image:title>Thomas hales</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/kepler-conjecture.jpg</image:loc><image:title>Kepler conjecture</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/keplers-supernova-image.jpg</image:loc><image:title>Keplers Supernova image</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2018/01/kepler-supernova.jpg</image:loc><image:title>Kepler Supernova</image:title></image:image><lastmod>2018-02-02T22:02:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/07/01/voyager-40th-anniversary/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/06/voyager-and-pioneer-distances.png</image:loc><image:title>Voyager and Pioneer distances</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/06/voyager-spacecraft.png</image:loc><image:title>Voyager spacecraft</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/06/pulsar-map-zoom.png</image:loc><image:title>pulsar map zoom</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/06/neptune.png</image:loc><image:title>Neptune</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/06/titan.png</image:loc><image:title>Titan</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/06/voyager-path.png</image:loc><image:title>Voyager path</image:title></image:image><lastmod>2017-07-13T23:57:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/05/01/soyuz-50-years-on/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/05/soyuz-missions.png</image:loc><image:title>Soyuz Missions</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/05/missions.png</image:loc><image:title>Missions</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/korolev.png</image:loc><image:title>Korolev</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/beregovoy.png</image:loc><image:title>Beregovoy</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/soyuz-1-mission-patch.png</image:loc><image:title>Soyuz 1 mission patch</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/federation.png</image:loc><image:title>Federation</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/soyuzms05.png</image:loc><image:title>SoyuzMs05</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/soyuz-launch.png</image:loc><image:title>Soyuz launch</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/soyuz.png</image:loc><image:title>Soyuz</image:title></image:image><lastmod>2017-05-27T11:10:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/04/17/life-in-our-galaxy/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/zoo-hypothesis.png</image:loc><image:title>zoo hypothesis</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/trappist1f.png</image:loc><image:title>Trappist1f</image:title></image:image><lastmod>2017-10-01T11:28:41+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/04/14/enceladus-could-there-be-life-2/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/enceladus.jpg</image:loc><image:title>Enceladus</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/enceladus_comparison.png</image:loc><image:title>enceladus_comparison</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/ice-volcanos.png</image:loc><image:title>ice volcanos</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2017/04/mars-canals.jpg</image:loc><image:title>Mars Canals</image:title></image:image><lastmod>2017-04-16T09:45:26+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2017/03/15/the-equinox-march-20-2017/</loc><lastmod>2017-04-06T14:10:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/12/10/december-31-2016-leap-second/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/12/leap-second-future2016.png</image:loc><image:title>leap-second-future2016</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/12/googletime.png</image:loc><image:title>googletime</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/12/leap-second-2016.png</image:loc><image:title>leap-second-2016</image:title></image:image><lastmod>2016-12-31T15:24:15+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/12/17/christmas-day-december-25th-or-january-7th/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/12/rooster.png</image:loc><image:title>rooster</image:title></image:image><lastmod>2018-01-24T00:58:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/11/27/chinese-manned-space-programme/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/change4.png</image:loc><image:title>change4</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/shenzou11.png</image:loc><image:title>shenzou11</image:title></image:image><lastmod>2016-11-28T19:38:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/11/12/the-long-summer-evenings/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/sunset-paths1.png</image:loc><image:title>sunset-paths</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/sun-different-days.png</image:loc><image:title>sun-different-days</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/sun-point-barrow.png</image:loc><image:title>sun-point-barrow</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/sun-equator.png</image:loc><image:title>sun-equator</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/sun-manchester.png</image:loc><image:title>sun-manchester</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/twilight-stages.png</image:loc><image:title>twilight-stages</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/11/sun-diffs-places.png</image:loc><image:title>sun-diffs-places</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/manchester-darkness.png</image:loc><image:title>manchester-darkness</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/10/twilight-at-diff-places.png</image:loc><image:title>twilight-at-diff-places</image:title></image:image><lastmod>2016-11-16T17:10:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/07/16/july-8-2011-the-final-mission/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/07/hst.png</image:loc><image:title>HST</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/07/columbia-crew.jpg</image:loc><image:title>Columbia Crew</image:title><image:caption>The STS-107 crew includes, from the left, Mission Specialist David Brown, Commander Rick Husband, Mission Specialists Laurel Clark, Kalpana Chawla and Michael Anderson, Pilot William McCool and Payload Specialist Ilan Ramon. (NASA photo)</image:caption></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/07/challenger-breakup1.jpg</image:loc><image:title>Challenger Breakup</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/07/richard-nixon.jpg</image:loc><image:title>Richard Nixon</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/07/sts-135-meal.jpg</image:loc><image:title>STS-135 meal</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/07/sts_1_launch.png</image:loc><image:title>STS_1_launch</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/sts-135_landing.jpg</image:loc><image:title>STS-135 Landing</image:title><image:caption>Space shuttle Atlantis (STS-135) touches down at NASA's Kennedy Space Center Shuttle Landing Facility (SLF), completing its 13-day mission to the International Space Station (ISS) and the final flight of the Space Shuttle Program, early Thursday morning, July 21, 2011, in Cape Canaveral, Fla. Overall, Atlantis spent 307 days in space and traveled nearly 126 million miles during its 33 flights. Atlantis, the fourth orbiter built, launched on its first mission on Oct. 3, 1985. Photo Credit: (NASA/Bill Ingalls)</image:caption></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/sts135.png</image:loc><image:title>STS135</image:title></image:image><lastmod>2016-07-26T13:49:49+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/07/16/20-july-1969-the-first-men-on-the-moon/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/apollo-11-in-quarantine.jpg</image:loc><image:title>Apollo 11 in quarantine</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/07/apollo_program_insignia.png</image:loc><image:title>Apollo_program_insignia</image:title></image:image><lastmod>2016-07-17T21:02:39+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/06/10/june-20-the-solstice/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/june-solstice-times.png</image:loc><image:title>June Solstice Times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/stonehenge_heelstone.jpg</image:loc><image:title>Stonehenge_Heelstone</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/06/june-16-sunrise-and-sunset.png</image:loc><image:title>June 16 sunrise and sunset</image:title></image:image><lastmod>2016-06-10T20:28:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/05/22/giving-venus-an-artificial-magnetic-field/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/mars-planet-wide-ring.png</image:loc><image:title>Mars Planet wide ring</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/usa-solar.png</image:loc><image:title>USA Solar</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/cern.jpg</image:loc><image:title>CERN</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/venus-planet-wide-ring.png</image:loc><image:title>Venus Planet wide ring</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/05/georg_ohm.jpg</image:loc><image:title>Georg_Ohm</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/04/tesla1.png</image:loc><image:title>Tesla</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/04/mag-field-in-loop.gif</image:loc><image:title>Mag field in Loop</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/04/ozone-layer.jpeg</image:loc><image:title>Ozone Layer</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/04/earth-interior.png</image:loc><image:title>Earth Interior</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/04/earth-mag-field2.png</image:loc><image:title>Earth Mag Field</image:title></image:image><lastmod>2017-03-26T16:19:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/03/05/the-first-day-of-spring/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/easter-postcard.jpg</image:loc><image:title>Processed by: Helicon Filter;</image:title><image:caption>Processed by: Helicon Filter;</image:caption></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/sun-path-sunset.png</image:loc><image:title>Sun path sunset</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/sun-path-sunrise.png</image:loc><image:title>Sun path sunrise</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/autumn-equinox-times.png</image:loc><image:title>autumn equinox times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/spring-equinox-times.png</image:loc><image:title>spring equinox times</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/earths-orbit.jpg</image:loc><image:title>Earths Orbit</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/03/end-racial-descrimination.png</image:loc><image:title>End racial descrimination</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/02/length-of-day-march.png</image:loc><image:title>Length of day march</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/02/march-21.jpg</image:loc><image:title>March 21</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/02/earths-orbit.jpg</image:loc><image:title>Earths Orbit</image:title></image:image><lastmod>2016-03-20T14:23:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/03/13/easter-27-march-2016/</loc><lastmod>2016-03-17T13:47:35+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2016/01/26/living-on-venus/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/venus-floating-city.png</image:loc><image:title>Venus Floating City</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2016/01/earth-venus-mars.jpg</image:loc><image:title>Earth Venus Mars</image:title></image:image><lastmod>2020-12-10T15:56:54+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/12/04/akatsuki-a-second-chance-7-december-2015/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/12/akatsuki-launch.jpg</image:loc><image:title>AKATSUKI Launch</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/akatsuki-venus.jpg</image:loc><image:title>Akatsuki Venus</image:title></image:image><lastmod>2015-12-06T00:05:57+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/12/01/a-christmas-gift-from-the-science-geek/</loc><lastmod>2015-12-30T16:27:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/11/24/venus-a-mysterious-world/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/akatsuki.png</image:loc><image:title>Akatsuki</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/greenhouse-gas.png</image:loc><image:title>Greenhouse Gas</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/venusatmosphere.png</image:loc><image:title>Venusatmosphere</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/venus-volcanoes.gif</image:loc><image:title>Venus Volcanoes</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/venus-imaged-by-magellan.jpg</image:loc><image:title>Venus-imaged-by-Magellan</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/11/radio_man.jpg</image:loc><image:title>Radio_man</image:title></image:image><lastmod>2016-01-27T18:25:30+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/10/18/enceladus-flyby-28-oct-2015/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/10/cassini-spacecraft.jpg</image:loc><image:title>Cassini spacecraft</image:title></image:image><lastmod>2016-01-28T02:52:34+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/08/10/is-there-anyone-out-there-updated-post/</loc><lastmod>2015-10-05T19:39:33+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/09/05/lunar-eclipse-28-september-2015/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/09/lunar_eclipse_-partial.png</image:loc><image:title>Lunar_eclipse_ Partial</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/09/lunar-eclipses-geometry1.png</image:loc><image:title>Lunar eclipses geometry</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/08/nasa-image-lunar-eclipse.jpg</image:loc><image:title>NASA Image Lunar Eclipse</image:title></image:image><lastmod>2015-09-26T21:30:56+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2014/09/10/seti/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/arecibo-observatory.jpg</image:loc><image:title>Arecibo Observatory</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/ozma1.jpg</image:loc><image:title>ozma</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/frank-drake-2.jpg</image:loc><image:title>Frank Drake 2</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/contact-movie-poster.jpg</image:loc><image:title>Contact-movie-poster</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/allen-telescope.jpg</image:loc><image:title>allen telescope</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/arecibo.jpg</image:loc><image:title>arecibo</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/aerials.jpg</image:loc><image:title>aerials</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/seti-source1.jpg</image:loc><image:title>seti source</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/contact.jpg</image:loc><image:title>contact</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2014/09/ozma.jpg</image:loc><image:title>ozma</image:title></image:image><lastmod>2015-08-24T17:41:52+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://explainingscience.org/2015/06/21/new-horizons/</loc><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/06/pluto-earth-moon-comparison.jpg</image:loc><image:title>Pluto Earth Moon Comparison</image:title></image:image><image:image><image:loc>https://explainingscience.org/wp-content/uploads/2015/06/voyager-and-pioneer-distances.png</image:loc><image:title>Voyager and Pioneer 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