Scientists Detect Gravitational Waves in Deep Space

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 (Caltech/MIT/LIGO Laboratory)

An international team of scientists announced Thursday that they have detected gravitational waves from two black holes that collided a billion light years away. The waves, also known as "ripples" in the fabric of spacetime, confirm a key prediction of Einstein's general theory of relativity. We discuss the significance and implications of the discovery.


David Reitze, physicist and executive director, Laser Interferometer Gravitational-Wave Observatory (LIGO) at Caltech