On Sun, 28 Jan 2007 15:28:41 -0500, Davoud wrote:

I can think of no reason why the Universe can't have a central region
in three-dimensional space if the Big Bang theory is correct. If the
Universe exhibits perfect radial symmetry, then the center is a simple
point in three-dimensional space...

No reason except that this is inconsistent with GR, the concept of
space-time, and just about everything else theory tells us about the
Universe (much of which has held up very well to experimental
verification).

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Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com