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The Universe Is Infinite
If the universe is finite, then why is it said to still be expanding after millions of years? Your views please.
 hellfire01  21 Nov 2008 14:21
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God is coming soon!
 
 Feremeir1  22 Nov 2008 22:59
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 No he isn't.
by  hellfire01
 26 Nov 2008 09:12
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What we typically refer to as the universe, i.e. The thermal expansion representing time and space as we understand it is not infinite, though quite large. It is about 125 billion galaxies in an expanding sphere that is perhaps 93 billion light years across right now. As to a larger framework as posited by multiverse or chaotic inflation models it is of course impossible for us to know at this time and probably couldn't be meaningfully quantified anyway.
 
 finsch  22 Nov 2008 19:17
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It is unknown whether it is or not. It is a case of putting Schrodinger's cat theory to it where a cat is in a box with a vial of poison which will break and kill the cat when a radioactive source decays by half. Because we don't know the half life of the source and how long it takes, we can assume that the cat is said to be both dead and alive as we cannot say for sure until we open the lid. As we haven't studied the entire Universe it is hard to say, but I don't see why the Universe can't be (tommyg :( ).
 
 Tromanator  21 Nov 2008 14:25
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 dave shut up you always use that theory and u know what i say LOL but yeah the universe cant be infinate as nothing is and nothing can be it just will be very big inmillions of years time we might die from the universe being so big as it will pull atoms apart
by  tommyg15
 21 Nov 2008 20:29
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Even if it is ever expanding, it is not infinite. Something that keeps pushing remains finite, but tends towards infinity. It will never get there if it keeps pushing, or keeps expanding. For it to be infinite it has to be created in that way.
 
 Spook5691  17 Dec 2008 12:39
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I agree with sylverwyld.
 
 imright20  21 Nov 2008 21:22
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It is ever-expanding, as new galaxies and universes are born.
 
 sylverwyld  21 Nov 2008 19:03
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 There is a finite amount of matter in the universe. Galaxies aren't just born.
by  chaew
 21 Nov 2008 21:04
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