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

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How do we know we are moving away from a fixed point (The point of bang)

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Can we or do we use lightning as an energy source?

1 upvotes

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Could I use the Khan Academy to learn Physics.

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Could we theoretically build a telescopestrong enough to look across our galaxy and find light from Earth only just reaching our current location?

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Matter moves through space/time it slowly collects forming bodies in space. Those bodies form larger bodies with more mass. Enough of these bodies collide, black holes are formed. Sometimes those black holes get close enough and merge. With infinite time wouldn't all matter eventually merge again.

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Matter moves through space/time it slowly collects forming bodies in space. Those bodies form larger bodies with more mass. Enough of these bodies collide, black holes are formed. Sometimes those black holes get close enough and merge. With infinite time wouldn't all matter eventually merge again?

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Momentum question

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do we know we are moving away from a fixed point (The point of bang)	2
Can we or do we use lightning as an energy source?	1
Could I use the Khan Academy to learn Physics.	1
Could we theoretically build a telescopestrong enough to look across our galaxy and find light from Earth only just reaching our current location?	1
Matter moves through space/time it slowly collects forming bodies in space. Those bodies form larger bodies with more mass. Enough of these bodies collide, black holes are formed. Sometimes those black holes get close enough and merge. With infinite time wouldn't all matter eventually merge again.	1
Matter moves through space/time it slowly collects forming bodies in space. Those bodies form larger bodies with more mass. Enough of these bodies collide, black holes are formed. Sometimes those black holes get close enough and merge. With infinite time wouldn't all matter eventually merge again?	1
Momentum question	0