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Timeless and Dimensionless Black Hole alternative to the Big Bang

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  • Timeless and Dimensionless Black Hole alternative to the Big Bang


    What If The Big Bang Was A 4D Black Hole Instead?

    The Big Bang has a lot of problems. For one, the usual laws of physics break down in a singularity. It’s bizarre and chaotic; anything could happen. Which makes cosmologists wonder why it would evolve into something as well-ordered as the universe we see around us. As Niayesh Afshordi put it in Nature last year: “For all physicists know, dragons could have come flying out of the singularity.”

    Not if Afshordi, an astrophysicist at the Perimeter Institute for Theoretic Physics in Waterloo, Canada, has anything to do with it.

    He and two of his colleagues, University of Waterloo Professor Robert Mann and PhD candidate Razieh Pourhasan, are proposing to get rid of the Big Bang altogether, replacing it instead with that other sort of singularity, a nice, safe, comforting black hole.

    The supermassive black holes are all that rema...
    We could be living in the 3D event horizon of a 4D black hole (Credit: Wikipedia)

    Perhaps the biggest difference between the Big Bang and black holes is that we are protected from the latter by its event horizon. A black hole’s gravity is so powerful that its escape velocity is faster than the speed of light, and since nothing can travel that quickly, nothing gets out of a black hole. We are protected from the mayhem and the break-down of physical laws that take place there by a process sometimes described as “cosmic censorship”. The dragons are trapped inside.

    Now swap the Big Bang for a black hole.

    As Scientific American puts it in its August cover story, what they’re proposing is “The Black Hole at the Beginning of Time”.

    © Copyright Original Source

    Glendower: I can call spirits from the vasty deep.
    Hotspur: Why, so can I, or so can any man;
    But will they come when you do call for them? Shakespeare’s Henry IV, Part 1, Act III:

    go with the flow the river knows . . .


    I do not know, therefore everything is in pencil.

  • #2
    And we again just push the problem back one step...

    If they’re right, and that’s a big if, it would provide us with a much deeper understanding of how our universe came to be. However, as the authors acknowledge, that knowledge would come at the price of a new mystery: how the four-dimensional meta-universe got going.
    Atheism is the cult of death, the death of hope. The universe is doomed, you are doomed, the only thing that remains is to await your execution...


    • #3
      Originally posted by seer View Post
      And we again just push the problem back one step...
      That's the whole idea. Every answer generates several more questions. The challenge is finding answers, knowing we'll never find all answers. The journey IS the destination.

      Except of course, some people want absolute, ultimate answers. But again, no problem. Just make them up and believe in them sincerely, and the ultimate problems are solved.


      • #4
        Take THAT Pius II !!!



        • #5
          Originally posted by seer View Post
          And we again just push the problem back one step...
          In truth there are only two possible answers to the problem, there is either an eternally existing mind or an eternally existing natural world. We haven't and may never be able to prove which is true, but we only have evidence of the existence of the latter.


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