Wednesday 10 September 2014

Companion star hidden for 21 years in a supernova's glare

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Using NASA’s Hubble Space Telescope, astronomers have discovered a companion star to a rare class of supernova, known as a Type IIb. 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.

via Science Daily

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