Anybody who has observed the eastern sky just before sunrise in the last few weeks will have noticed a brilliant white object - the planet Venus, also known as the morning star. It is brighter than any other planet and at its brightest ten times brighter than Sirius the brightest star. Its brightness has often… Continue reading Venus the Morning Star
Tag: Mars
Mars
Enceladus Could there be life 10 years on
Doesn't time fly ! 🙂 Ten years have passed since I wrote my first post on my Explaining Science blog (originally called The Science Geek). I have decided to mark the occasion by reblogging my first ever post. Over the last ten years the question whether there are primitive life forms on Saturn’s icy moon… Continue reading Enceladus Could there be life 10 years on
Life on Venus?
Many of you will have seen the story widely reported in the media of the discovery of the gas phosphine in the clouds of Venus - if not, you can find the story here:Â https://www.bbc.co.uk/news/science-environment-54133538. On Earth phosphine is produced by bacteria and it has led to the interesting speculation as to whether there could be… Continue reading Life on Venus?
Why Venus Shines Brightly
Updated 22 November 2025 Anyone, even the most casual observer,  looking at the evening sky in the last month will have noticed the brilliant white planet Venus shining in the west. Often known as the Evening Star, Venus is the third brightest natural object in the sky after the Sun and the Moon. In this… Continue reading Why Venus Shines Brightly
Methane on Mars
I was very excited to read about the discovery published last week by NASA’s Curiosity rover of the seasonal variation in the amount of methane in Mars’ atmosphere. Curiosity found that the average methane concentration varied from 0.24 parts per billion (ppb) in the northern hemisphere winter to around 0.65 ppb in the summer. This… Continue reading Methane on Mars
Explaining Science 