Supermassive Black Hole Neighbors
October 16, 2009
NGC 6240 is a system in which two supermassive black holes are a mere 3,000 light years apart, virtually nothing in astronomical terms. credit: NASA
Topics:
Technology Internet, Supermassive black holes, NGC, Astronomy, National Aeronautics and Space Administration, 4C +37.11, Abell 400, Black hole
