TL;DR
This paper explores how gravitational aberration is canceled in general relativity, allowing gravity to propagate at the speed of light, based on conservation laws and gravitational radiation properties.
Contribution
It demonstrates that gravitational aberration is nearly canceled by velocity-dependent interactions, supporting that gravity propagates at the speed of light.
Findings
Aberration is canceled in general relativity due to velocity-dependent effects.
Gravity propagates at speed c, consistent with the theory.
Conservation laws and quadrupole radiation explain the cancellation.
Abstract
The observed absence of gravitational aberration requires that ``Newtonian'' gravity propagate at a speed . By evaluating the gravitational effect of an accelerating mass, I show that aberration in general relativity is almost exactly canceled by velocity-dependent interactions, permitting . This cancellation is dictated by conservation laws and the quadrupole nature of gravitational radiation.
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