How quickly does a change in gravity affect its surrounding?

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A change in gravity due to an object's energy transforming into mass affects surrounding objects at the speed of light. This means that any alteration in gravitational force is not instantaneous but propagates at the speed of light (c). Consequently, information cannot be transmitted faster than light through changes in gravity. The discussion emphasizes that while gravity can change, its influence is limited by the speed of light. Understanding this principle clarifies misconceptions about faster-than-light communication via gravitational changes.
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If the gravity of an object changes ( due to it's energy changing into mass ) how quickly does a second object get affected by this change in gravity? Is it instantaneous?
If so then could information be transported faster than the speed of light using changes in gravity?

Of course I can't see how this would be possible, but can somebody please explain where I've went wrong. Thanks.
 
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The rate at which a gravitational force "travels" is the speed of light.
 
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Yup. Gravitational change propagates at c.
 
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