Measurements made by Albert Michelson and Edward Morley in 1887 of the speed of light resulted in the same speed in every direction, leading to the assumption that there was no ether.
The only way that an ether might exist and give the same results in different directions, is if the ether following the Earth in its journey through space.
If there exist an ether (particles, for example electrons) it must have a mass.
All planets around the sun have a velocity as depends on the distance from the sun independent of the mass, therefore a particle or Jupiter have the same velocities around the sun as the earth if they have the same distance to the sun as the earth.
If there exist an ether it must follow the earth, have the same velocity as the earth.
IMHO "c" is a basic constant of the space-time we live in. It is a characteristic speed of propagation for electromagnetic waves (in vacuum !) and also for gravitational waves. Seems it is not a feature of the light, but a feature of the space-time. As far as I know, so far nobody detected any deviation from its standard value.
do you have any doubts? Is the Maichelson Morley experience not enough?
Thanks for your reply.
I have a doubt to Michelson Morley measurements. The measurements could not prove there was no ether as was an argument to assume that the speed of light was constant.
A potentially divisive theory suggests Einstein may have been wrong to say the speed of light is a constant – and the claims could soon be tested with a new generation of space telescopes.
https://www.wired.co.uk/article/putting-einstein-theory-relativity-test
As a result of my work about the michelson morley experiment, I accept the change of the frequency of the light when the reference frame changes but the velocity changes too. For example, in the doppler effect, the real constant is not the speed of light but the wavelength since the source of the light causing the wavelength doesn't change but the reference frame changes.
This is the best refutation of Einstein's religious theory: https://www.researchgate.net/publication/340397585_The_Correct_Formulas_of_the_Experiment_of_Michelson-_Morley
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