ByKeith Cooperpublishedabout 7 hours ago
Rumors of the star’s death were greatly exaggerated.
https://www.space.com/white-dwarf-survives-own-supernova-explosion
SN 2012Z, seen in the galaxy NGC 1309 by the Hubble Space Telescope. The inset images show the progenitor system before the explosion, and the light of the failed supernova after the explosion.(Image credit: NASA/ESA/C. McCully and S. Jha (Rutgers University)/R. Foley (University of Illinois)/ Z. Levay (STScI))
Astronomers have spotted a white dwarf that miraculously survived its own thermonuclear detonation, raising questions over how and why these stars create supernovas.
Awhite dwarfis the evolutionary endpoint of asun-like star. After such a star swells to become ared giant, then runs out of the fuel required for nuclear fusion reactions, the star ejects its outer layers to form a
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