/r/askscience

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Are there any life forms on human satellites in outer space?

520 upvotes • rododendrone

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Has any human been more remote than the Apollo command pilots?

520 upvotes • [deleted]

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Why is there a vaccine for FIV (Feline immunodeficiency virus), but not HIV?

520 upvotes • MrMacca1999

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How deep can you dig a hole on the Moon with a shovel?

520 upvotes • PollockRauschenberg

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Why does water not burn?

520 upvotes • spoiledmeat

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Can a gravitational locked planet outside the Goldilocks zone support life on the side facing the star?

520 upvotes • Patternsix

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If person A is travelling at a fast speed away from person B, why is it that person A's time runs slower when you could say that person B is travelling away relative to A?

520 upvotes • mangopearapples

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How is a fighter jet engine different from a commercial jet engine?

520 upvotes • Rpn0708

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Is the digestive process always first-in, first-out, or can quickly digestible meals "pass" slower digesting meals in the intestines?

520 upvotes • mrfiveby3

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Is there a point in space where if you look at one half of the night sky you would see the light from stars and the other half would be darkness because there are no stars beyond you in the universe?

520 upvotes • fantastic_geronimo

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Are there any life forms on human satellites in outer space?	520	rododendrone
Has any human been more remote than the Apollo command pilots?	520	[deleted]
Why is there a vaccine for FIV (Feline immunodeficiency virus), but not HIV?	520	MrMacca1999
How deep can you dig a hole on the Moon with a shovel?	520	PollockRauschenberg
Why does water not burn?	520	spoiledmeat
Can a gravitational locked planet outside the Goldilocks zone support life on the side facing the star?	520	Patternsix
If person A is travelling at a fast speed away from person B, why is it that person A's time runs slower when you could say that person B is travelling away relative to A?	520	mangopearapples
How is a fighter jet engine different from a commercial jet engine?	520	Rpn0708
Is the digestive process always first-in, first-out, or can quickly digestible meals "pass" slower digesting meals in the intestines?	520	mrfiveby3
Is there a point in space where if you look at one half of the night sky you would see the light from stars and the other half would be darkness because there are no stars beyond you in the universe?	520	fantastic_geronimo