Astrophysicists have found two supermassive black holes in Markarian 231, the nearest quasar to Earth. The discovery of two supermassive black holes — one larger one and a second, smaller …read more
Source:: Science
Astrophysicists have found two supermassive black holes in Markarian 231, the nearest quasar to Earth. The discovery of two supermassive black holes — one larger one and a second, smaller …read more
Source:: Science