/u/Anhilliator1's posts in /r/askscience

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Why does the Black Hole photo have a significant drop a relatively short distance away from the event horizon (What I assume to be the black dot in the middle?)

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With all the Space Debris currently in orbit, how hard is it right now to actually perform a regular space launch, much less a manned one?

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Theoretically, how much damage would a projectile the size of a .22 caliber bullet cause if it was traveling at C-fractional velocity?

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At what atmospheric pressure would humans be able to breathe pure oxygen without suffering negative side effects or even death?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why does the Black Hole photo have a significant drop a relatively short distance away from the event horizon (What I assume to be the black dot in the middle?)	1
With all the Space Debris currently in orbit, how hard is it right now to actually perform a regular space launch, much less a manned one?	1
Theoretically, how much damage would a projectile the size of a .22 caliber bullet cause if it was traveling at C-fractional velocity?	1
At what atmospheric pressure would humans be able to breathe pure oxygen without suffering negative side effects or even death?	1