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What are gravitational waves?

Updated: 12/18/2022
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10y ago

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According to Einstein's theory of general relativity, objects with mass "bend" space-time, which is part of how gravity works. (Space-time is basically the combination of space at time, using time as a kind of "fourth dimension".)

When objects move around, they change the way the space-time is curved around them. In some cases, when an object accelerates, the result changes in the curvature of space-time propagate outwards at the speed of light. The propagation of the changes in the curvature of space-time is what is known as gravitational waves.

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10y ago
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