/u/StrangeBedfellows's posts in /r/askscience

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What's the speed of gravity?

3 upvotes

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If a ballerina or ice skater pulls their limbs in while spinning they spin faster; if we were to level all the mountains on the earth could we increase the speed of the Earth's rotation?

2 upvotes

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Since all the space trash out there is in Earth's gravity well, how long would it take for our skies tip clear naturally?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What's the speed of gravity?	3
If a ballerina or ice skater pulls their limbs in while spinning they spin faster; if we were to level all the mountains on the earth could we increase the speed of the Earth's rotation?	2
Since all the space trash out there is in Earth's gravity well, how long would it take for our skies tip clear naturally?	1