Which instrument was used to detect gravitational waves for the very first time?

Options

A. WIGO
B. LIGO
C. TRIGO
D. GIGO

Answer

B

Explanation

LIGO was used to detect gravitational waves for the very first time. The Laser Interferometer Gravitational-Wave Observatory is a large-scale physics experiment and observatory to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool.