3 things you didn't know about the Earth

This video is about unknown facts about the Earth, such as its composition, orbit, distance and more.
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Cool books about the universe

The Invisible Universe: Why There's More to Reality than Meets the Eye https://amzn.to/3mkmVdf
A Guide to the Mathematics of Astronomy https://amzn.to/3IN5Znq
The Planets: The Definitive Visual Guide to Our Solar System https://amzn.to/3JceB8t
Universe: The Definitive Visual Guide https://amzn.to/41DQYgh
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Note: They are affiliate links, you can just go to amazon if you want

Song - Fragments by AERØHEAD