Earth tide measurements provide the ‘speed of gravity’ which turns out identical to speed of light Reply

See on Scoop.itScience Communication from mdashf

Based on the Newtonian formula for the gravity of Earth’s tides, a Chinese research team has found that gravity travels at the speed of light. After correcting out  the phase lag due to the anelasticity of the Earth, they found that the speed of gravity is between 0.93 to 1.05 times the speed of light with a relative error of about 5%. This provides first set of strong evidences to show that the speed of gravity is the same as the speed of light.

See on link.springer.com

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