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Did the Big Bang Happen in a Pre-Existing Universe?

12 Apr 2015, 11:47 UTC
Did the Big Bang Happen in a Pre-Existing Universe?
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Question: Is it possible that the big bang occurred in a pre-existing universe? if not, how do we know? – Gary
Answer: I think that the best evidence to support the fact that the Big Bang happened in this universe is the fact that we see evidence for its existence in our universe. There really isn’t any reason to invoke the existence of another universe to explain the Big Bang.
Jeff Mangum

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