Rare encounters between cosmic heavyweights
Thursday, August 27, 2020 - 11:11
in Astronomy & Space
Astronomers have discovered three pairs of merging galaxies. Each of the galaxies contain a supermassive black hole that's feasting on material surrounding it, creating a phenomenon called a quasar. These luminous dual quasars are rare; only about 0.3% of all known quasars have two supermassive black holes that are on a collision course with each other.