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  1. P

    What came before the Big Bang?

    Sorry I dont understand your response. There are a lot of models out there trying to understand what happeneed before the big bang, they are works in progress. The people working on theee are right on the frontier of our knowledge but I see no reason ot make any presumptions about nothing...
  2. P

    What came before the Big Bang?

    If you would like to know more google these terms: string cosmology loop quanutm cosmology matter bounce in Horava gravity These are the mian candidates for a quantum description of the big bang and they all imply a pre big bang period.
  3. P

    What came before the Big Bang?

    Miesners' paper was very interesting in my opinion , it was a lot better done than the previous paper. However I think if CCC is going to get any credence they need to show that it leads to the power spectrum that we see in the CMB and they havent done this. Does it lead to B mode polarisation...
  4. P

    What came before the Big Bang?

    A singularity is a temrinus of a spce time . So it makes no sense as far I can see to tlak about before a singularity. Howeverr one can challenege whether at the bgi bang there really is a singulaity. Many approaches to quantum gravity remvoe the singularity ard hence are able to extend the...
  5. P

    The Universe Always Was Existing

    I hihgly reccomend Sean Caroll's book "From Eternity to here".
  6. P

    If the Big Bang Happened...

    Blakc hole singularities are not identical to cosmological singularities. it has been suggested that balck holes do give rise to new universes. But one has to keep in mind that it is a specualtive hypothesis that I dont think we should dismiss but it is not automatically true becuase they both...
  7. P

    What came before the Big Bang?

    Penrose has an interesting idea in the form of CCC. The evidence for his idea presented in 2010 was shot down by the community so i dont think we can count it as evidence for a prior big bang period. There was a further study that looks more robust and we shall have to see how it plays out. But...
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