Two monstrous black holes in one galaxy
Two supermassive black holes, each with the mass of at least a million suns, have been found circling each other in a single butterfly-shaped galaxy, astronomers have reported. This is the first time
Two supermassive black holes, each with the mass of at least a million suns, have been found circling each other in a single butterfly-shaped galaxy, astronomers have reported. This is the first time