A bright burst of X-rays has been discovered by NASA’s Chandra X-ray Observatory in a galaxy 6.6 billion light years from Earth. This event likely signaled the merger of two neutron stars and could give astronomers fresh insight into how neutron stars - dense stellar objects packed mainly with neutrons - are built. Source: [url=http://www.nasa.gov/mission_pages/chandra/images/a-new-signal-for-a-neutron-star-collision-discovered.html]A New Signal for a Neutron Star Collision Discovered[/url]