#A ‘bang’ in LIGO and Virgo detectors signals most massive gravitational-wave source yet
“#A ‘bang’ in LIGO and Virgo detectors signals most massive gravitational-wave source yet” This artist’s concept illustrates a hierarchical scheme for merging black holes. LIGO and Virgo recently observed a black hole merger with a final mass of 142 times that of the sun, making it the largest of its kind observed in gravitational waves…