On 1/20/2020 12:12 AM, Alan Grayson wrote:
On Monday, January 20, 2020 at 12:57:55 AM UTC-7, Bruce wrote:
On Mon, Jan 20, 2020 at 5:59 PM Alan Grayson <[email protected]
<javascript:>> wrote:
On Sunday, January 19, 2020 at 10:50:46 PM UTC-7, Bruce wrote:
On Mon, Jan 20, 2020 at 4:19 PM Alan Grayson
<[email protected]> wrote:
*Last sentence above: I mean that if it had a "start"
with infinite spatial extent, that would seem to mean
it did NOT have an infinite spatial extent just prior
to the start. For me this seems like a singularity, an
infinite physical process which occurs in zero time.
If I were betting, I'd bet on a finite closed universe
for any universe which "starts", not for the
Multiverse. AG*
You can bet any way you want. I doubt that the universe
gives a shit.
Bruce
*I'd go further and ask one question: it obviously doesn't. Is
this your idea of value-added? What I think it displays is
your firmly held belief that it's flat, and anger that someone
might think otherwise. Not your finest hour. AG *
Not anger -- just frustration at your intransigence. I don't care
what you think, so why should I be angry?
Bruce
*Annoyance is only slightly removed from anger. Maybe you're being
intransigent. As Brent pointed out, many origin theories have a
"beginning" or "start", so before that our universe didn't exist (not
to be confused with the Multiverse). But then, magically perhaps, it
comes into instantaneous existence having an infinite spatial extent
since it's alleged to be flat. *
Those that have a beginning, like the Hartle-Hawking No-boundary model,
don't start the FLRW phase at zero scale. Here's an interesting talk on
the model:
https://www.youtube.com/watch?v=s-R7Bq05gJo
Brent
*For a genius like you, there's nothing to be explained here. AG *
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