/u/adr826's posts in /r/askscience

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If space would stop expanding suddenly would the stars and galaxies continue to fly away from us because of the momentum and relative motion?

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Expansion and kinetic energy

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If the expansion of space were to stop right now would the matter within space continue its motion relative to the rest of the matter in the Universe?

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How could inflation have moved all of the matter in the universe without imparting any momentum?

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Is there an upper limit to temptress analogous to absolute zero?

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Is there an upper limit to temperature analogous to absolute zero?

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The Tibetan book of the dead, What is possible?

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In a Brief history of Time Stephen Hawking refers occasionally to objects of infinite density. Since density is mass per unit volume if an object were so tightly packed that it had no volume it's density is undetermined and not infinite. What does Hawking mean by infinite density?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If space would stop expanding suddenly would the stars and galaxies continue to fly away from us because of the momentum and relative motion?	1
Expansion and kinetic energy	1
If the expansion of space were to stop right now would the matter within space continue its motion relative to the rest of the matter in the Universe?	1
How could inflation have moved all of the matter in the universe without imparting any momentum?	1
Is there an upper limit to temptress analogous to absolute zero?	1
Is there an upper limit to temperature analogous to absolute zero?	1
The Tibetan book of the dead, What is possible?	1
In a Brief history of Time Stephen Hawking refers occasionally to objects of infinite density. Since density is mass per unit volume if an object were so tightly packed that it had no volume it's density is undetermined and not infinite. What does Hawking mean by infinite density?	1