Hubble Finds Companion Star Hidden for 21 Years in a Supernova's Glare

HubbleSite NewsCenter -- Latest News Releases: Get larger image formats For over two decades astronomers have been patiently monitoring the fading glow of a supernova in a nearby galaxy. They've been looking for a suspected companion star that pulled off almost all of the hydrogen from the doomed star that exploded. At last Hubble's ultraviolet-light sensitivity pulled out the blue glow of the star from the cluttered starlight in the disk of the galaxy. This observation confirms the theory that ...