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RE: 4.5 billion year old rock at Greenwich Royal Observatory

in #photography6 years ago (edited)

Good question @edgarsart The rock that fell to earth was indeed much larger but had been used for millennia by people for making tools. It contains many elements.
This 'chunk' is almost a metre in length. Check the link above for a deep dive. :)

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wow from the photo it looked like it would be small piece

It's a pretty huge hunk of many metals and other elements.
This is what is left of a much larger object. It must have made a huge crater on impact.