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Dec9-07, 03:12 PM
P: 5
Is it not possible to postulate that there is an endless "area" in which the known universe (ours) as well as many other separate universal constructs exist, endlessly, multiplicatively?
This would imply an infinity worth of separate spatial sectors (universes) each with the same or perhaps totally dissimilar sets of physical laws. Making up an Omniverse based on the aggregate of all said systems. Wondering.

Quote Quote by KingOrdo View Post
The answer, I am told, is 'No'. But I do not understand why. Assume:

(1) The Universe is spatially flat. It will one day stop expanding.

(2) There is no weird dark energy.

These are, I think, plausible assumptions.

Then: What evidence is there to weigh against the conclusion that there is an edge to the Universe (and therefore a unique center)?

It is certainly compatible with the observed expansion, no? To use a rubber sheet example: Imagine the Universe is a standard 2D sheet of computer paper, but made of rubber. Stick coins to it to represent galaxies. Then stretch it apart to represent the expansion--fast at first, but slowing asymptotically to zero. Then we have (1) all galaxies receding from each other, (2) a unique center, but not one that would be easily (or perhaps even possibly) evident to the galaxies' inhabitants.

Thanks in advance.