Re: Ask Gugel Anything About the Big Bang
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Can or will a similar event ever take place?
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Can it take place? Yes, if it happened once, it could, in theory happen again under the right conditions. Whether those conditions will ever present themselves is a matter of speculation.
Will it happen again?
Judging solely on the existing evidence, no. We must assume the null hypothesis unless there is evidence suggesting otherwise. There is no evidence suggesting a Big Bang will ever occur again, therefore, the null hypothesis holds.
At one point, some cosmologists thought the Universe might eventually end in a Big Crunch and possibly precipitate another round of the Universe (a new Big Bang). Evidence now suggests otherwise.
There are also some string theorists that suggest that there are multiple Universes (multiple Big Bangs) in some meta Universe. At this point, there is absolutely no conclusive evidence for this hypothesis.
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