Astronomers may have been seeing double when they recently announced the discovery of a pair of supermassive black holes at the heart of a galaxy collision. (sciencenews.org)
This intermediate mass black hole and stray black holes discovered in this work possibly contribute to growth of the supermassive black hole in future. (eaobservatory.org)
Artist's conception of the pair of supermassive black holes at the center of the galaxy 0402 +379, 750 million light - years from Earth. (public.nrao.edu)