A 星, 星级 created 1,800 years 以前 after the collision of two distant suns is set to appear in the night sky for the first time – as the light from the crash finally reaches the Earth.
Evidence from NASA's Chandra X-ray 天文台 and the Magellan telescopes suggest a 星, 星级 has been torn apart 由 an intermediate-mass black hole in a globular cluster.