/r/askscience

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My 5-year-old wants to know: What would happen if a giant ball of water even bigger than the sun ran into the sun?

5487 upvotes • on_island_time

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If I focused on my heart hard enough, could I control my heartbeat?

5486 upvotes • ScottIsTriggered

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If someone cover their eyes for a year straight without seeing any light, would it just be really bright when they take it off then slowly adjust back to normal or would it have a permanent affect on the persons vision?

5482 upvotes • [deleted]

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What's the difference between comets, meteors, meteorites, meteoroids, and asteroids?

5476 upvotes • [deleted]

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(Chemistry) Why do the orbitals of an atom only hold a certain amount of electrons?

5475 upvotes • Astronomytwin

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How fast did the extinct giant insects like Meganeura flap their wings to accomplish flight? Were the mechanics more like of modern birds or modern small insects?

5475 upvotes • rjrl

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AskScience AMA Series: We're the team sending NASA's Dragonfly drone mission to Saturn's moon Titan. Ask us anything!

5474 upvotes • AskScienceModerator

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Are certain people deep or light sleepers or is a person's sleep "depth" primarily dependent on conditions?

5473 upvotes • donarumo

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Storing Nuclear Waste: Why not dilute and put it back where it came from?

5468 upvotes • Moonlapsed

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If elephants had gone extinct before humans came about, and we had never found mammoth remains with soft tissue intact, would we have known that they had trunks through their skeletons alone?

5467 upvotes • Kombaticus

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
My 5-year-old wants to know: What would happen if a giant ball of water even bigger than the sun ran into the sun?	5487	on_island_time
If I focused on my heart hard enough, could I control my heartbeat?	5486	ScottIsTriggered
If someone cover their eyes for a year straight without seeing any light, would it just be really bright when they take it off then slowly adjust back to normal or would it have a permanent affect on the persons vision?	5482	[deleted]
What's the difference between comets, meteors, meteorites, meteoroids, and asteroids?	5476	[deleted]
(Chemistry) Why do the orbitals of an atom only hold a certain amount of electrons?	5475	Astronomytwin
How fast did the extinct giant insects like Meganeura flap their wings to accomplish flight? Were the mechanics more like of modern birds or modern small insects?	5475	rjrl
AskScience AMA Series: We're the team sending NASA's Dragonfly drone mission to Saturn's moon Titan. Ask us anything!	5474	AskScienceModerator
Are certain people deep or light sleepers or is a person's sleep "depth" primarily dependent on conditions?	5473	donarumo
Storing Nuclear Waste: Why not dilute and put it back where it came from?	5468	Moonlapsed
If elephants had gone extinct before humans came about, and we had never found mammoth remains with soft tissue intact, would we have known that they had trunks through their skeletons alone?	5467	Kombaticus