Field Shift

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An observed redshift due to the Doppler effect occurs whenever a light source moves away from the observer, corresponding to the Doppler shift that changes the perceived frequency of sound waves

In the context of classical theories of gravitation, the speed of gravity refers to the speed at which a gravitational field propagates. This is the speed at which changes in the distribution of energy and momentum result in noticeable changes in the gravitational field which they produce

In 1900 Hendrik Lorentz tried to explain gravity on the basis of his Lorentz ether theory and the Maxwell equations. After proposing (and rejecting) a Le Sage type model, he assumed like Ottaviano Fabrizio Mossotti and Johann Karl Friedrich Zöllner that the attraction of opposite charged particles is stronger than the repulsion of equal charged particles. The resulting net force is exactly what is known as universal gravitation, in which the speed of gravity is that of light

If speed susceptible to Doppler's effect. Why shouldn't field since we're so determine they have a speed?
 

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russ_watters
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You mean a gravitational field and gravitational waves? I suppose gravitational waves would show doppler shift.
 

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