Meaning Of The Word Supernova
What's the definition of Supernova? Find Supernova meanings, definitions and more at the Real Dictionary online.
Supernova Meaning
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What's The Definition Of Supernova?
supernova
countable noun: A supernova is an exploding star. supernova in American English a rare, extremely bright nova that suddenly increases up to a billion times in brightness and reaches an absolute magnitude of c. -16 noun: the explosion of a star, possibly caused by gravitational collapse, during which the star's luminosity increases by as much as 20 magnitudes and most of the star's mass is blown away at very high velocity, sometimes leaving behind an extremely dense core supernova in British English noun: a star that explodes catastrophically owing to either instabilities following the exhaustion of its nuclear fuel or gravitational collapse following the accretion of matter from an orbiting companion star, becoming for a few days up to one hundred million |
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