A star accompanying a rare type of supernova in close orbit has been discovered by astronomers using NASA's Hubble Space Telescope. Confirming a long-held theory that the explosion originated in a binary star arrangement, observations verify that the companion star precipitated the destruction of the aging primary star by drawing off mass until its core collapsed and triggered a supernova event... Continue Reading Hubble helps find hidden supernova companion

Section: Space

Tags: Astronomy, Galaxy, Hubble, Keck observatory, NASA, Space telescope, Supernova

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