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Relativity

Gravitational Waves

Gravitational waves are tiny, invisible ripples in space. They travel for huge distances at the speed of light. The waves squeeze and stretch any objects they pass, but only by a tiny amount.

An artists impression of gravity waves caused by binary neutrons stars. The stars are blue dots towards the upper right of the image. There appears to be ripples extending out from them, moving through a blue and yellow lattice grid.
This work by R.Hurt/JPL-Caltech is licensed under Creative Commons Zero v1.0 Universal
Artist impression of gravitational waves caused by two orbiting neutron stars.