Before the Big Bang? a new view (Origins)

by dhw, Friday, December 11, 2020, 08:48 (1225 days ago) @ David Turell

DAVID: I see outside our universe total void, a complete nothing. Why we are here is up to your reasoning. What is your first cause? That has to exist. We had a demonstrated beginning in time as the CMB demonstrates.

dhw: “Nothing will come of nothing.” (King Lear). How about an eternal and infinite universe of matter and energy, endlessly in flux? If the big bang happened, it was just one incident among many.

DAVID: The problem with that answer is it requires a universe with spacetime that is not flat, and all the evidence we currently have says it is flat.

I’m sorry, but I have no idea what this means. Perhaps you could explain. Nor do I have any idea how anyone can possibly know what an infinite universe looks like, since the vastness that we can observe would be infinitesimal in infinity. Nor do I know how anyone can possibly know what the universe was like before the big bang (if it happened).

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Before the Big Bang? - dhw, 2014-07-03, 23:07
- Before the Big Bang? - David Turell, 2014-07-04, 02:44
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Before the Big Bang? a new view (Origins)