On Monday, January 13, 2020 at 1:22:05 PM UTC-7, Brent wrote: > > > > On 1/13/2020 11:02 AM, Alan Grayson wrote: > > > > On Monday, January 13, 2020 at 11:20:41 AM UTC-7, Brent wrote: >> >> >> >> On 1/13/2020 2:21 AM, Alan Grayson wrote: >> >> *Forget about matter. I am discussing spatial extent. If it starts small, >> and expands at any rate less than infinite, its spatial extent cannot be >> infinite. AG * >> >> >> But so what? What is "it"? and what are you worried about? If "it" is >> some portion of the universe we can see, it's finite. The inference that >> the universe is infinite is based on curvature measure in the part we can >> see. >> > > > *IT, the universe, has (IMO) a very small but positive curvature, which is > what we measure. Since we can't precisely measure zero curvature, as JC > earlier stated, there's no way to distinguish the two cases -- flat and > infinite in spatial extent versus spherical and finite in spatial extent -- > on measurements. But since flat and infinite at the instant of the BB > implies a singularity, I reject that model. AG * > > > Fine. Nobody thinks there was a singularity. > > Brent >
*They think it's infinite at the beginning but always represent it as very small at the beginning. That's a great way to communicate. Would you buy a used car from one of those guys? AG * -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/1ab9ddea-2d11-4559-ae54-a9e00cad7138%40googlegroups.com.
