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Gravitational Waves Propagate at Light Speed

Einstein's wave analysis showed that physical gravitational disturbances in the relativistic theory propagate through empty space at the speed of light.

Albert Einstein photographed in Princeton in 1947
Albert Einstein, Princeton, 1947. Photograph by Oren Jack Turner; Library of Congress image with no known restrictions. Wikimedia Commons source.
Read the explainer →Year 1916BerlinPhysics

Gravitational Waves Propagate at Light Speed

1916 · Berlin · Germany · Physics

Einstein's wave analysis showed that physical gravitational disturbances in the relativistic theory propagate through empty space at the speed of light.