On Thursday, January 30, 2020 at 5:09:56 PM UTC-7, Brent wrote: > > > > On 1/30/2020 12:45 PM, Alan Grayson wrote: > > > That's not it. I think the two observers, one in a galaxy far removed and > one here, would read the same CMBR "time", regardless of the distant > galaxy's speed of recession. But relativity says otherwise. This is what > puzzles me. AG > > > Ask yourself *when* do they read the same time. > > Brent >
I don't know if this helps. Since the temperature of the CMBR is the same everywhere, at any time t, we can in principle determine if the two measurements are simultaneous or not. 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/4fc556c2-5ebe-4a52-98a4-44b59b07744a%40googlegroups.com.

