Gravitational-Wave Observatories

Gravitational-wave observatory · United States (Washington)

LIGO Hanford in Washington State is one of the two US Laser Interferometer Gravitational-wave Observatory detectors that made the first direct detection of gravitational waves in 2015.

Gravitational-wave observatory · United States (Louisiana)

LIGO Livingston in Louisiana is the second US LIGO detector; together with LIGO Hanford it detected the first gravitational waves from merging black holes.

Gravitational-wave observatory · Italy

Virgo is a European gravitational-wave detector near Pisa, Italy, that observes together with LIGO to localise sources on the sky.