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February 11th, 2004, 03:40 AM
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Shrapnel Fanatic
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OT: What is the Universe Expanding into?
Think about this for a second and ask yourself what is the universe?
Is it expanding and if so what is it expanding into? Is the universe a ballon expanding into nothingness or is it a ballon expanding into something else like say another universe.
Think of it like a ballon being filled with N2 expanding in an oxygen atomsphere. The interior of the ballon does not know what lays beyon the universe of the interior of the ballon.
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February 11th, 2004, 03:46 AM
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Shrapnel Fanatic
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Re: OT: What is the Universe Expanding into?
It is expanding into the vastness of the infinite void of space surrounding the matter and energy of the universe. The universe itself is infinite and not changing in size. It is just the matter and energy portions of the universe that started moving out after the big bang that are expanding.
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February 11th, 2004, 04:17 AM
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First Lieutenant
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Re: OT: What is the Universe Expanding into?
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The universe itself is infinite and not changing in size.
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Hmmm, how do we know this? I thought that the truly infinite is unprovable mathematically.
Imagine a vast empty plain with a tiny ant somewhere near the center.
TO THAT ANT the plain MAY BE infinite, but a man might be able to get to the edge. It may just be that our perspective is too small - Temporally and Spacially.
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February 11th, 2004, 04:36 AM
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Shrapnel Fanatic
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Re: OT: What is the Universe Expanding into?
How could there be an edge to nothingness?
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February 11th, 2004, 04:56 AM
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First Lieutenant
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Re: OT: What is the Universe Expanding into?
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How could there be an edge to nothingness?
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Well, that is difficult to imagine I agree!
Using another analogy, why does the air on Earth NOT expand throughout the solar system? Because of gravity!! Perhaps there is a mechanism that will halt the expansion of the universe the same way. WE JUST DO NOT KNOW!!!
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Gaze upon Taz-in-Space and TREMBLE!
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WARNING: Always count fingers after feeding the Tazmanian Devil!
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February 11th, 2004, 04:58 AM
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Shrapnel Fanatic
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Re: OT: What is the Universe Expanding into?
I think you are confusing terminology... "the universe" includes everything, really. But, it is often used just in reference to the mass and energy of the universe that is expanding. Used to refer to everything, including the void that said mass and energy is expanding into, implies that the universe itself is incapable of changing size, as it is an infinite void.
If gravity were to cause the mass and energy of the universe to eventually start contracting again, the universe itself would still have that infinite sized void out there.
[ February 11, 2004, 02:59: Message edited by: Imperator Fyron ]
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