On Thursday, January 23, 2020 at 4:03:44 AM UTC-7, John Clark wrote: > > On Thu, Jan 23, 2020 at 5:40 AM Alan Grayson <[email protected] > <javascript:>> wrote: > > *> Now I'm not so sure. ISTM, the photons that never reach us, never cross >> the event horizon. They're emitted in a region receding faster than the >> SoL, so they can never cross it. AG* > > > If even a photon is not fast enough to reach all parts of the universe > then the Universe must be infinite. >
I'm pretty sure your claim is false. I explained earlier that for any expansion rate, even lower than the SoL, for an observer there will regions which eventually become non-observable. This is because the winking out, say of galaxies, is purely a geometric effect of the expansion. AG > And IHA. > > John K Clark > -- 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/f9d3fa4d-5291-49db-a2ba-6d4653523a32%40googlegroups.com.
