Groundbreaking discovery confirms existence of orbiting supermassive black holes

For the first time ever, astronomers at The University of New Mexico say they’ve been able to observe and measure the orbital motion between two supermassive black holes hundreds of millions of light years from Earth – a discovery more than a decade in the making.
Read more: http://news.unm.edu/news/groundbreaking-discovery-confirms-existence-of-orbiting-supermassive-black-holes#.WVLIDMt_c0U.reddit?source=Snapzu