On Tuesday, January 21, 2020 at 5:03:10 AM UTC-7, John Clark wrote: > > On Tue, Jan 21, 2020 at 1:09 AM Alan Grayson <[email protected] > <javascript:>> wrote: > > *> **if it started as finite, it must remain finite* > > > Not necessarily. If the universe started off finite but then expanded, not > infinitely fast just faster than light and just for a short time (as in > inflation), then the universe would be open regardless of how many degrees > the angles of a triangle add up to because spatial curvature and spacetime > curvature are not the same thing. > > John K Clark >
*I agree they're different and concede that I don't know the exact distinction. However, I strongly disagree that finite rates of expansion will result in an open universe. I believe it will be a closed hyper-sphere, but I am open to being wrong. 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/7ac1d469-5e86-438d-b1e8-819b4dcf66b4%40googlegroups.com.
