Journey of a Gravitational Wave | National Science Foundation FriendsofNASA.org: The U.S. Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory designed to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool. LIGO scientist David Reitze takes us on a 1.3 billion year journey that begins with the violent merger of two black holes in the distant universe. The event produced gravitational w

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To celebrate the one-year anniversary of a discovery that changed the face of astronomy, this week we feature the exclusive world premiere of a new documentary. LIGO Detection reveals what unfolded behind the scenes between the detection of merging black holes on 14 September 2015, and five months later when LIGO announced it to the world. Sign up to our newsletter and find out about exclusive content like this before anyone else: https://www.newscientist.com/registration/ Read more about the di