Hubble finds supernova companion star after two decades of searching
Wednesday, September 10, 2014 - 04:40
in Astronomy & Space
(Phys.org) —Using NASA's Hubble Space Telescope, astronomers have discovered a companion star to a rare type of supernova. The discovery confirms a long-held theory that the supernova, dubbed SN 1993J, occurred inside what is called a binary system, where two interacting stars caused a cosmic explosion.