If light only changed it's wavelength enough to make it APPEAR as though the universe was expanding?

Question

Would a modern version of the Mitchelson-Morley experiment be sensitive enough to detect this change?

Could a similar experiment do it?

Answer 1

well, yes and no.

what you're postulating, is not true.

but if you were to consider that aether did exist, you would expect to find a difference.

however, since you're making up new rules, if you were intent on doing that, then you could just go make up more of them, such that the answer would be no.

i'm not real fond of thinking about what would happen, for example, if gravity was repulsive rather than attractive.  there are so many other rules also involved that pretty quick you get yourself into a mess, trying to make it all work.

sort of like retreating to Ptolemy's celestial spheres, and trying to make them real.

Answer 2

Clarify.  There's quite a bit of independent evidence for the expanding universe.  What do you hypothesize to negate all of it?

Answer 3

No. For two reasons.

* The experiment was too short range. The effect

would be too small to register over any terrestrial distance.

* The experiment was directional, and the effect

you posit must be omni-directional to have the effect

you seek. It wouldn't register.