f*******d
发帖数: 339 | 1 Big bang theory is of course commonly accepted now, just as quantum
mechanics or general relativity.
It should be pointed out though that big bang theory does not say
Universe must begin with a single point, at the "big bang" the
Universe could be finite or even infinite in its size, although
each small patch of it could grow very large to include all the observable
part of Universe we see today. | r******p
发帖数: 15 | 2 nod.
therefore, the time at which the big bang starts is also regarded as
singularity in the field equation, beyond which the universe cannot
be described by any known theory, and hence time/space beyond that
point becomes senseless, at least for now.
and the evidence supporting the big bang model comes from
various observational sourses, not only from the hubble's law.
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他说
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【在 f*******d 的大作中提到】
: Big bang theory is of course commonly accepted now, just as quantum
: mechanics or general relativity.
: It should be pointed out though that big bang theory does not say
: Universe must begin with a single point, at the "big bang" the
: Universe could be finite or even infinite in its size, although
: each small patch of it could grow very large to include all the observable
: part of Universe we see today.
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