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RT @ProfTimOB: @fcain No. Same as speed of light in a vacuum, according to GR, and observationally E. G. https://t.co/v2nL5RkDLq
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@fcain No. Same as speed of light in a vacuum, according to GR, and observationally E. G. https://t.co/v2nL5RkDLq
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Specifically, gravity turns out to be something moving at 299,792,458 meters per second, or what we simply call ‘c’. The difference between a gamma ray burst and the thunderclap of the gravitational wave is within - 3 x 10^-15 and 7 x 10^-16 of c. https://
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Gravitational Waves and Gamma-Rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A https://t.co/Z4L539AAgc via @IOPscience