"Beyond Comprehension!" --Collision of Two Supermassive Black Holes Will Dwarf the LIGO Gravitational-Wave Discovery (Today's Most Popular)

"They absolutely dwarf the black hole mergers detected by LIGO," the Laser Interferometer Gravitational-Wave Observatory, which first detected gravitational waves from colliding black holes in February 2016, "and will be detected within 10 years," says Chiara Mingarelli, a Marie Curie...