Fritschel, Peter K. Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.
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- Gravitational-wave astronomy
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A wave that is generated by the acceleration of mass and travels at the speed of light. Gravitational waves are an implicit outcome of the special theory of relativity, and were explicitly put forward in Albert Einstein's theory of general relativity in 1916. Einstein showed that the acceleration of masses generates time-dependent gravitational fields that can carry energy away from their source at the speed of light. See also: Relativity
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