Speed of Gravity
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High Quality Content by WIKIPEDIA articles! 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. The speed of gravity, and of all disturbances, is more often called the speed of light c. Within the well accepted theory of special relativity, the parameter c is not about light, it is a unit conversion factor for changing the units of time to the units of space…mehr

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High Quality Content by WIKIPEDIA articles! 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. The speed of gravity, and of all disturbances, is more often called the speed of light c. Within the well accepted theory of special relativity, the parameter c is not about light, it is a unit conversion factor for changing the units of time to the units of space in a Lorentz transformation. It is then also the only speed which does not depend on the motion of the observer, and equals the speed of gravity and of light and of any other massless particle.