Nova vs. Supernova
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Difference Between Nova and Supernova
Novanoun
(astronomy) Any sudden brightening of a previously inconspicuous star.
Supernovanoun
(star) The explosion of a star, which increases its brightness to typically a billion times that of our sun, though attenuated by the great distance from our sun. Some leave only debris (Type I); others fade to invisibility as neutron stars (Type II).
Novanoun
a star that ejects some of its material in the form of a cloud and become more luminous in the process
Supernovanoun
a star that explodes and becomes extremely luminous in the process
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