Gravitational-wave observatory

Device used to measure gravitational waves

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2023	IndIGO (LIGO-India) gravitational wave detector was established as part of the second generation of detectors.
June 2023	Four pulsar timing array collaborations presented the first strong evidence for a gravitational wave background with wavelengths spanning light years, likely originating from multiple supermassive black hole binaries.
2020	KAGRA, a highly sensitive interferometric gravitational wave detector, began operations, expanding the global network of gravitational wave observatories.
2019	KAGRA (LCGT) gravitational wave detector was established as part of the second generation of detectors.
2018	Construction began on the Matter wave laser based Interferometer Gravitation Antenna (MIGA) demonstrator project in the underground environment of LSBB in Rustrel, France.
2016	Advanced Virgo gravitational wave detector was established as part of the second generation of detectors.
2015	LIGO achieved the first confirmed detection of gravitational waves, marking a significant milestone in gravitational wave astronomy.
December 2015	LISA Pathfinder, the technology demonstrator for the Laser Interferometer Space Antenna (LISA), was launched.
September 2015	Advanced LIGO observatories made the first direct observation of gravitational waves, specifically detecting waves from a merging binary of stellar black holes with wavelengths of a few thousand kilometers.

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