New Populations Of Black Holes Revealed By Gravitational Waves

The gravitational wave^1 detectors LIGO and Virgo have just chalked up their biggest catch yet, a black hole 142 times the mass of the Sun, resulting from the merger of two black holes of 85 and 65 solar masses. The remnant black hole is the most massive ever observed with gravitational waves, and it could give us some clues...