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

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I have heard that when Andromeda & Milky Way collide, collisions between stars will be unlikely. But is it likely that planets will be seriously shifted from their previous orbits?

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How was calculus discovered -- can it be derived from tools learned in algebra?

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When a satellite is orbiting in an orbit that's not perfectly circular, do special efforts need to be taken to point it at the earth? (I mean, since the satellite's own rotation speed is constant)

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Why has it been so hard to find a (legally acceptable) drug-combo to conduct lethal injections? Wouldn't an overdose of narcotics do the trick?

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which looks bigger (at perigee) -- mars or jupiter?

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What are the common uses of the Myers-Briggs test, and how many of these are supported by psych research?

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Please point me to a derivation of the basic principles of calculus? (When I Google"derive calculus" I get stuff about derivatives!)

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When they play stock footage on TV, why does the image quality always seem to have an "old" look--even when it's just a few years old?

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If NASA had realized the gravity of the problem with the Columbia shuttle's wing, what efforts might they have taken to save the crew?

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When the dinosaurs died out, why did other animals survive?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I have heard that when Andromeda & Milky Way collide, collisions between stars will be unlikely. But is it likely that planets will be seriously shifted from their previous orbits?	1
How was calculus discovered -- can it be derived from tools learned in algebra?	1
When a satellite is orbiting in an orbit that's not perfectly circular, do special efforts need to be taken to point it at the earth? (I mean, since the satellite's own rotation speed is constant)	1
Why has it been so hard to find a (legally acceptable) drug-combo to conduct lethal injections? Wouldn't an overdose of narcotics do the trick?	1
which looks bigger (at perigee) -- mars or jupiter?	1
What are the common uses of the Myers-Briggs test, and how many of these are supported by psych research?	1
Please point me to a derivation of the basic principles of calculus? (When I Google"derive calculus" I get stuff about derivatives!)	1
When they play stock footage on TV, why does the image quality always seem to have an "old" look--even when it's just a few years old?	1
If NASA had realized the gravity of the problem with the Columbia shuttle's wing, what efforts might they have taken to save the crew?	1
When the dinosaurs died out, why did other animals survive?	1