Please click on the link below to download a copy of of the Columbia Accident Investigation Board report into the destruction of the Space Shuttle Columbia during its re-entry in February 2003.
Please click on the link below to a download a more technical paper describing the scientific objectives of the ten year sky survey to carried out by the Large Synoptic Survey Telescope.
Please click on the link below to read the UN Secretary General’s summary at the end of the Glasgow Climate Conference held in November 2021.
COP26 UN Secretary General Summary
Please click on the link below which gives an excellent explanation of how stellar aberration is explained by Einstein’s theory of special relativity
Explaining Science 