Earth tipped on its side (and back again) in 'cosmic yo-yo' 84 million years ago

Earth tipped on its side (and back again) in 'cosmic yo-yo' 84 million years ago
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A new study has confirmed a longstanding theory that Earth's crust tilted to the side, and eventually back again, around 84 million years ago.



October 27, 2021 at 04:35PM
via Space.com read more...