Waspie_Dwarf Posted September 9, 2014 #1 Share Posted September 9, 2014 Hubble Finds Supernova Companion Star after Two Decades of Searching Astronomers using NASA's Hubble Space Telescope have discovered a companion star to a rare type of supernova. This observation confirms the theory that the explosion originated in a double-star system where one star fueled the mass-loss from the aging primary star.This detection is the first time astronomers have been able to put constraints on the properties of the companion star in an unusual class of supernova called Type IIb. They were able to estimate the surviving star's luminosity and mass, which provide insight into the conditions that preceded the explosion. Source Link to comment Share on other sites More sharing options...
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