![]() Approximately 40 years ago, NSF joined this quest and began funding the science and technological innovation that led to detecting gravitational waves. The Laser Interferometer Gravitational-Wave Observatory is a large-scale physics experiment and observatory designed to detect cosmic gravitational waves. This discovery offers new scientific capability to observe and study our universe, much like the advent of radio astronomy or even when Galileo first used a telescope to view the night skies.īackground: Einstein himself questioned whether we could ever create an instrument sensitive enough to capture this phenomenon. The Laser Interferometer Gravitational-Wave Observatory (LIGO) Project to develop a terrestrial astronomical observatory for gravitational wave detection is. With representation from LIGO's many international partners and more than 1,000 collaborators, the historic announcement was webcast around the world. LIGO consists of twin optical instruments called interferometers in Livingston, Louisiana, and Hanford, Washington, each in the shape of an enormous L with arms 4 kilometers long. 11, 2016, LIGO scientists announced their findings at a press conference organized by NSF. The goal of the Laser Interferometer Gravitational-Wave Observatory (LIGO) Project is to detect and study astrophysical gravitational waves and use data from them for research in physics and astronomy. NSF's funding of LIGO and the science behind its operation and research began in the 1970s. First Detection of Gravitational Waves Announced
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