“What we do know, is that one such supernova seen in the same galaxy in 1987 to every astronomer’s surprise was a blue supergiant that had exploded. The Hubble Space Telescope soon revealed it ...
When Betelgeuse, a red supergiant star in the constellation Orion, eventually goes supernova—likely within the next 100,000 years—the night sky will light up as if a second sun appeared ...
One of the brightest stars in the night sky, Betelgeuse, may not be on the brink of exploding as a supernova ... draws even more attention to this red supergiant variable star in Orion.