The Speed of Gravity: What a Theory Says
Abstract
Following a quantum-gravity approach we use a gravitational quantum defined elsewhere as well as an effective gravitational "cross section" in conjunction with Mach's Principle and the de Broglie wavelength concept. We find the speed of gravity vg related to a gravitational mass m as given by vg of order c (Mu/m)(1/2), where c is the speed of light and Mu the mass of the seeable Universe. For the solar system we get vg of order 10(11) c, which agrees very well with experimental results. For the Universe vg is of the order of c.
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