On Saturday, February 1, 2020 at 5:20:43 AM UTC-7, John Clark wrote: > > On Fri, Jan 31, 2020 at 10:47 PM Alan Grayson <[email protected] > <javascript:>> wrote: > > *> My point is that the CMB "clock" exists everywhere, and that it has no >> relative motion wrt anything, so how can time dilation be applied to it? AG* > > > It can't. Nobody said the CMB looks the same for everybody regardless of > their motion. It doesn't. But if you and I are in relative motion then I > will see my local clock running faster than your local clock, and you will > see your local clock running faster than my local clock. And the CMB has > absolutely nothing to do with it because Time Dilation is about what local > clocks do. > > John K Clark >
But what if the CMB *is* the local clock? How could it manifest time dilation, compared to a clock in some moving frame, if its "clock" reading doesn't change? 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/4c11e5cb-7aa7-47f1-b598-7a1fe9d4dccd%40googlegroups.com.
