... Behemoth black hole found in an unlikely place . ... black holes . ... X-ray telescopes find black hole may be a neutrino factory . ... The supermassive black hole at the center of the Milky Way, seen in this image from NASA's Chandra X-ray Observatory, may be producing mysterious particles called neutrinos. ... The giant black hole at the center of the Milky Way may be producing mysterious particles called neutrinos. ... Only registered members of Astronomy.com are allowed to comment on this...