On Friday, January 3, 2025 at 4:44:48 AM UTC-7 John Clark wrote:
On Fri, Jan 3, 2025 at 12:06 AM Alan Grayson <[email protected]> wrote: *> What does "absolute" mean?* *What does "mean" mean? * *> It sure seems as absolute as anyone can imagine; the same everywhere in the universe. AG * *But the Cosmic Microwave Background Radiation does NOT look the same to everyone, if you're moving with respect to it, as we here on earth are, it will look bluer in one direction and redder in the opposite direction. And it's not just space, the CMBR is not constant with respect to time either, in the past it was bluer and in the future it will be redder. The speed of light is absolute, but the CMBR is not.* * John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis>* How about telling me something I don't know? Did you miss my comment that when it's measured, account has to be taken for the Earth's or the measuring satellite's motion through it? And of course, its temperature has been decreasing through the eons, which I didn't mention, now 2.7 degrees Kelvin. 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 visit https://groups.google.com/d/msgid/everything-list/787215f5-b807-4594-8c3f-e898af530831n%40googlegroups.com.
