(Photo taken by Emma, author of http://challengethat.blogspot.com/)
The rock that is, at the time of writing, on display at the Royal Observatory, Greenwich, (currently on loan from the Natural History Museum) is a fragment of the Gibeon meteorite which fell in Namibia in prehistoric times. Small fragments of it were used to build weapons and tools by natives. The extraterrestrial origin of the rock was first confirmed in 1836 after fragments were analysed by John Herschel (no, not that Herschel. That Herschel was William Herschel, the guy who discovered Uranus. He was John's dad.)
Feel free to post any questions you may have about meteors, meteorites, meteoroids, shooting stars as a comment below and I'll do my best to answer them. If the question's big enough, I'll probably do another post...
A Hénon Map Inspired by an Artwork Inspired by a Hénon map
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As part of my maths in museums work I was talking to someone at the National
Galleries of Scotland. The world of art lies a little outside my comfort
zon...
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