Hubble finds supernova companion star after two decades of searching

September 10, 2014 9:06 AM

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8 minutes ago by Felicia Chou

( —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 explos...

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