/u/rockitman12's posts in /r/askscience

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What is the velocity of the edge of a bubble as it is "popping"?

6527 upvotes

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Do any animals, other than humans, care for their elderly?

21 upvotes

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How does your body know to produce more red blood cells, after a move to a higher climate?

5 upvotes

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What's actually happening when water erodes rock? Is it mechanically wearing away the material, or chemically dissolving it?

2 upvotes

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When particle/anti-particle pairs spontaneously appear and then subsequently annihilate, how come there isn't a detectable release of energy?

1 upvotes

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Other than a galaxy, what kinds of density/probability distributions could my napkin be a reasonable analogue of? (Image in description)

1 upvotes

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Would it be possible to position yourself to see an entire galaxy with the naked eye, the same as in photos taken from Hubble?

1 upvotes

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How close did Voyager I and Voyager II get, while flying in space?

1 upvotes

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Supernovas! Any amount of iron will do? Or critical mass required?

1 upvotes

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Black coffee and goat's milk settled into four distinct layers - what are they? (Image in description)

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the velocity of the edge of a bubble as it is "popping"?	6527
Do any animals, other than humans, care for their elderly?	21
How does your body know to produce more red blood cells, after a move to a higher climate?	5
What's actually happening when water erodes rock? Is it mechanically wearing away the material, or chemically dissolving it?	2
When particle/anti-particle pairs spontaneously appear and then subsequently annihilate, how come there isn't a detectable release of energy?	1
Other than a galaxy, what kinds of density/probability distributions could my napkin be a reasonable analogue of? (Image in description)	1
Would it be possible to position yourself to see an entire galaxy with the naked eye, the same as in photos taken from Hubble?	1
How close did Voyager I and Voyager II get, while flying in space?	1
Supernovas! Any amount of iron will do? Or critical mass required?	1
Black coffee and goat's milk settled into four distinct layers - what are they? (Image in description)	1