About 4.6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity. The Sun, planets, and eventually Earth formed out of the cloud. But when did ...
In Earth's early days, it was slammed by protoplanet Theia. This left our world spinning on a tilted axis. But what if the Theia crash had flipped Earth 90 degrees? And why could living in Alaska help ...
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