Supermassive black holes are on the way to catastrophic collision: the doomed pair is closer than observed
Artist’s impression of two black holes about to collide. New observations and analysis reveal two Goliath black holes only 750 light-years apart and closing in, orbiting each other in the wake of a galaxy merger. Astronomers from the Flatiron Institute and their colleagues have discovered two ghostly Goliaths on their way to a cataclysmic meeting. …