Is the Gum nebula the ghost of an exploding supernova?
MAR 01, 1971
DOI: 10.1063/1.3022616
A faint nebula that is one of the largest objects in our own galaxy and extends over 60 deg of the southern sky has been interpreted as the first clear example of a new class of galactic object, produced by the flash of ultraviolet and x‐ray emission from an exploding supernova.
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© 1971 American Institute of Physics
