Gravitational Waves
Main article: Gravitational waveResearchers believe that gravitational waves also travel through space, although gravitational waves have never been directly detected. Not to be confused with gravity waves, gravitational waves are disturbances in the curvature of spacetime, predicted by Einstein's theory of general relativity.
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Famous quotes containing the word waves:
“The shattered water made a misty din.
Great waves looked over others coming in,
And thought of doing something to the shore
That water never did to land before.”
—Robert Frost (1874–1963)