Re: the universe


Posted by Pasti on Feb 11, 2004 at 22:20
(67.69.240.236)

Re: the universe (DA Morgan)

"Inflationary cosmology posits a beginning. I think that is anthropomorphic nonsense. I think there is as much chance for a "beginning" as there is for it all being green Jello brand pudding."

You are thinking classically, which is fine up to a certain point. The Big Bang is the "initial" singuarity in the solutions of the Einstein equations, which are classical (in the sense of classical mechanics).
But you know better than that.At some point, the classical model must brake down, and quantum effects must start playing a leading role (whether quantum mechanics or quantum gravitation). At that point, the problem of the classical singularity does not make any sense anymore, and the concept of beginning (or end in the Big crunch scenario) becomes undefined and more important,unnecessary.

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