Signals from most massive gravitational wave source yet

The merging of a pair of binary black holes produced gravitational waves equal to the energy of eight suns, the most massive black hole merger yet observed in gravitational waves. Scientists from the U.S. National Science Foundation's Laser Interferometer Gravitational-wave Observatory and Europe's ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video