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The Big Bounce theory says that before the Big Bang there were other Big Bangs over and over. For example, the universe would have a Big Bang within it and then this new mini-universe would expand, then start collapsing, and as it finishes collapsing, it would "bounce" back into a Big Bang, while the greater universe stays constant.

Since this is a big explosion, nothing resists it, so we can't find any trace of the other universe ours started in, but would we be able to find evidence for this in the small dimensions that exist in string theory? They're so small they would resist the Big Bang. If the LHC found these dimensions, would it confirm the theory?

auden
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Pthfnd
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Dimensions don't work that way. For example, the third dimension is based on an XYZ plain, the second is based on a YZ plain, and the first is on a Z plain. So the first contains speed but not velocity. Where did you learn what dimensions are anyway?

Camo_man
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In big bang during that point of time all the matter in this universe was concentrated in a single point like space. So the density of matter at that point of time was infinite leading to singularity and at that point of time the curvature of space and time was infinite therefore the consequences before big bang can never affect anything present after big bang in this universe. And therefore we can never find traces of the early universe in this universe irrespective of it was present or not . And this is the reason why we say that big bang was the beginning of TIME .

nakul
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