Re: The CMBR falsifies SR




mluttgens@xxxxxxxxxx wrote:
The CMBR falsifies SR

SRists forget that since Einstein, the CMBR has been discovered.
To day, the spaceship observer, as well as the Earth observer, can
determine their velocity wrt the CMBR. Those velocities can be called
"absolute", hence the relative velocity between the Earth and the
spaceship are also "absolute". Iow, thanks to the CMBR, one knows which
one is "really" moving fast, and which one is not.
If SRists recognize this, they should realize that the theoretical
foundation of SR is wrong.

Marcel Luttgens

You're right to point your finger to the CMBR, but you're not pointing
at the correct relativity theory. It's really GR that's in trouble.

In SR, Einstein discarded the ether. And from this follows the fact
that you may take any inertial frame to be equivalent, and this may
even include a so-called absolute frame. So an absolute frame has no
special status in SR, whether it exists or not.

In GR, Einstein said that we don't know that there truly exists any
inertial frame. But if there were any absolute frame, we would for sure
know that there are some inertial frames. Let's be very clear here:
it's the absence of verifiable INERTIAL FRAMES that motivated the whole
GR, not the absence of any verifiable absolute space! If you're in a
free falling spacecraft you can't tell if you're accelerating towards
the Earth or not. That's why according to him you can't tell for sure
that there is any inertial frame at all. If there is any inertial at
all his whole GR theory is superfluous; and you can bet he would be
honest enough to tell us so, because he's done so in his lifetime.

So now let's take a look at this CMBR. If I accelerate with magnitude A
towards it, do I feel acceleration A on me? The answer is yes. And does
the same apply to all objects in the universe? The answer is yes again.
There is such a thing as a true inertial frame, you betcha. With all
the consequences on GR.

Chris

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