The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment designed to detect and measure gravitational waves. It consists of two widely separated interferometers located in Livingston, Louisiana and Hanford, Washington. The observatory is operated by the L
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INDIGO or IndIGO is a consortium of Indian gravitational wave physicists. It is an initiative to set up advanced experimental facilities for a multi-institutional observatory project in gravitational-wave astronomy to be located near Aundha Nagnath, Hingoli District, Maharashtra, India. Predicted date of commission is in 2030.