On Monday, January 13, 2020 at 1:24:59 AM UTC-7, smitra wrote: > > On 13-01-2020 07:18, Alan Grayson wrote: > > On Sunday, January 12, 2020 at 8:58:06 AM UTC-7, John Clark wrote: > > > >> On Thu, Jan 2, 2020 at 2:30 AM Alan Grayson <[email protected]> > >> wrote: > >> > >>> _> If we're convinced it's finite in age, then it can't be > >>> infinite in spatial extent. AG _ > >> > >> We don't know for sure our universe is infinite in size and we'll > >> never know for sure because we'll never be able to measure precisely > >> zero curvature with no error at all, but we do know it's pretty damn > >> flat, if it's curved it's so slight that a light beam would have to > >> go at least 500 times as far as our telescopes can see for it to > >> return where it started. So if you respect the empirical evidence > >> for the Big Bang but the idea of a beginning of a infinitely sized > >> universe makes you unhappy then the Multiverse idea offers you an > >> obvious solution, you get an infinitely large infinitely old > >> Multiverse but with the observable universe having a beginning and > >> being only finitely large. However I understand the Multiverse makes > >> you unhappy too. I fear you may be destined to be unhappy. > >> > >> By the way ... does the inverse also make you unhappy, something > >> infinitely old but finite in spatial extent? > > > > MY HUNCH, AND THAT'S ALL IT IS, IS THAT "THE SUBSTRATUM" FROM > > WHICH THE BB EMERGED, IS INFINITELY OLD, AND THE CONCEPT OF SPATIAL > > EXTENT PROBABLY DOESN'T APPLY TO IT. THERE COULD BE MANY BB'S, > > POSSIBLY AN INFINITE NUMBER, BUT ALL FINITE IN SPATIAL EXTENT IF THEY > > HAD BEGINNINGS. AG > > Or there is no such thing as a universe. There only exists a multiverse > of algorithms. One such algorithm is "program AG" who thinks he lives in > a large universe and who is pondering about whether its infinite. But > what really exists are the large number of algorithms. AG as he exists > right now, one second ago, one second into the future all all different > members of the multiverse. > > Saibal > > *Could be. Maybe it's all simulation. But that's a different subject and has nothing to do with the issue I am trying to resolve. AG *
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