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

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If a feather was in a decaying orbit around the Earth, would it burn up during re-entry?

3072 upvotes

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If all of the matter and energy in the universe was uniformly distributed, would it eventually coalesce into planets, stars, galaxies, etc?

2 upvotes

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How much does the heat from burning fossil fuels contribute to global warming?

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Suppose you have a solid cube of iron. How large would it have to be for gravity to force it into a spherical shape?

1 upvotes

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When did archeology become a thing?

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Do wind turbines help to remove some of the additional energy in the atmosphere caused by increased CO2?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If a feather was in a decaying orbit around the Earth, would it burn up during re-entry?	3072
If all of the matter and energy in the universe was uniformly distributed, would it eventually coalesce into planets, stars, galaxies, etc?	2
How much does the heat from burning fossil fuels contribute to global warming?	2
Suppose you have a solid cube of iron. How large would it have to be for gravity to force it into a spherical shape?	1
When did archeology become a thing?	1
Do wind turbines help to remove some of the additional energy in the atmosphere caused by increased CO2?	1