On Friday, January 31, 2020 at 4:00:51 PM UTC-7, John Clark wrote: > > On Fri, Jan 31, 2020 at 1:18 PM Alan Grayson <[email protected] > <javascript:>> wrote: > > *> Why difficult? I'm just pointing out an inconvenient fact; namely, if >> you use the CMBR as a clock (inconvenient to be sure since the temperature >> decline of the CMBR is exceedingly slow), simultaneity for all observers in >> all galaxies exists to one part in 100,000. What are the implications? AG* > > > If you are heading for the Andromeda Galaxy at 99.999% the speed of light > then to you the CMBR would not look even remotely symmetrical, one > hemisphere would look much brighter than the other, which would indicate > that you and everything in your spaceship, including your clock and your > brain, were moving at a very different speed than most of the matter in the > universe. But so what? Time dilation would still be in effect, when you > used your telescope to look at the Earth (which happens to be moving at a > speed closer to the average speed of matter) you'd see things back on Earth > were moving at only 0.4472% the speed they are on your spaceship (assuming > 99.999% of light speed). And when observers on Earth look at you they'd see > that you and everything on your spaceship were were moving at only 0.4472% > the speed they are on Earth. Both would see the other moving slowly. And > none of this has anything whatsoever to do with the CMBR, both see that it > takes the other 237 seconds to do things that only takes them one second to > do. As I said before this is odd but not a logical paradox because of the > disagreement among observers over the meaning of "now". This is explained > in more detail in the videos on the Twin Paradox that I recommended > yesterday, the ones you refused to look at because you thought they were > irrelevant. > > John K Clark >
How about telling me something I don't already know, like why MUST everything happen, that CAN happen? I won't waste time reading your articles. 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/0ccb6fb5-4a75-4aa7-99b2-fce43c25e209%40googlegroups.com.

