To choose: The reason for the existence of gravitational waves (a) We have observed them with telescopes in space. (b) We have observed orbiting objects that are losing precisely the amount of energy we accept them to be losing to gravitational waves. (c) They are predicted to exist by the general theory of relativity.

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Chapter S3, Problem 34EAP

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The reason for the existence of gravitational waves (a) We have observed them with telescopes in space. (b) We have observed orbiting objects that are losing precisely the amount of energy we accept them to be losing to gravitational waves. (c) They are predicted to exist by the general theory of relativity.

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