Tech Explorist
The National Science Foundation’s LIGO (Laser Interferometer Gravitational-Wave Observatory) and the European-based VIRGO gravitational wave detectors have detected gravitational waves from a total of 10 stellar-mass binary black hole mergers and one merger of neutron stars. These new events are known as GW170729, GW170809, GW170818, and GW170823, in reference to the dates they were detected.
GW170729, detected in the second observing run on July 29, 2017, is the most massive and distant gravitational-wave source ever observed.
In this merger, an equivalent energy of almost five solar masses was converted into gravitational radiation.
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