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RE: Cosmic archeology with gravitational waves
After the big bang. There is actually no "before te big bang" as time is not defined before the big bang.
After the big bang. There is actually no "before te big bang" as time is not defined before the big bang.
There is the theoy of a previous universe recollapsing into a singularity in a Big Crunch leading to the Big Bang observable in our universe, right?
But this is speculation and even then the possibility of observing information residues from this previous universe would be very questionable.
Actually, I don't see how to get any information from any previous universe at all :)