On Thursday, January 2, 2025 at 11:25:00 PM UTC-7 Brent Meeker wrote:
On 1/2/2025 9:06 PM, Alan Grayson wrote:
On Thursday, January 2, 2025 at 8:56:51 PM UTC-7 Brent Meeker wrote:
There's nothing "absolute" about the CMB. It's just a widely available
common reference. The same way we often use the Earth as a reference. The
laws of physics are the same when moving inertially relative to the CMB as
relative to the Earth or Moon.
Brent
What does "absolute" mean?
It would mean that the laws of physics were special in some sense, e.g.
took a special form, in an *absolutely* stationary state.
It sure seems as absolute as anyone can imagine; the same everywhere in the
universe. AG
No. It's just something that can be used as a reference, as could any
other frame in inertial motion. And it's not even a perfect reference
since some parts move relative to others.
Brent
I didn't think it was a problem for SR since it's not the luminiferous
ether which was thought to be the only frame in which light speed was a
constant. I gave the problem to Quentin as an exercise to take his mind off
irrelevancies. AG
On 1/2/2025 4:34 PM, Alan Grayson wrote:
On Thursday, January 2, 2025 at 3:58:33 PM UTC-7 Quentin Anciaux
wrote:
The troll playing the victim... when will it cease ?
Since the CMBR defines a frame of absolute rest, how does this effect
Special Relativity, if at all? AG
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