what makes the earth spin and keep spinning?
In: 28
When planets are coalescing not all debris falls straight smack bang into the centre of mass some will hit off centre and like kicking a football (the proper round ones) if you kick it off centre you introduce a spin.
The hundreds of billions of impacts to a forming planet will give it a spin and without anything to stop it it will continue to spin.
This is why Earth’s days are slowly getting longer because the tides cause drag slowing the earth’s rotation.
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