Earliest-yet observation of August SN2011fe supernova nails it: Destroyed star was white dwarf
Wednesday, January 11, 2012 - 12:32
in Astronomy & Space
Last year's discovery of the nearest Type Ia supernova in decades captured only 11 hours after it exploded allowed astronomers to finally cinch the identity of the stars behind these explosions, which have become key measures of cosmic distance.