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A supernova is a transient astronomical event that occurs during the last stellar evolutionary stages of a massive star's life, whose destruction is marked by one final titanic explosion. This causes the sudden appearance of a "new" bright star, before slowly fading from sight over several weeks or months. {{Star|title1 = Supernova|temperature = 20,000,000,000°F|mass = 3 to 15 x Sun|luminosity = 10,000,000,000 x Sun|spectral_type = F to O|apparent_magnitude = -20.00|gravity = Same as F to O stars|constellation = Any|elements = Ionized hydrogen and helium|distance = Any|age = 1,100,000 to 1,100,000,000 years old}}
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A supernova is a transient astronomical event that occurs during the last stellar evolutionary stages of a massive star's life, whose destruction is marked by one final titanic explosion. This causes the sudden appearance of a "new" bright star, before slowly fading from sight over several weeks or months.
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{{Star|title1 = Supernova|image1 = [[File:Supernova.jpg|thumb]]|caption1 = Supernova.|temperature = 20,000,000,000°F|mass = 3 to 15 x Sun|luminosity = 10,000,000,000 x Sun|spectral_type = F to O|apparent_magnitude = -20.00|gravity = Same as F to O stars|constellation = Any|elements = Ionized hydrogen and helium|distance = Any|age = 1,100,000 to 1,100,000,000 years old}}

Revision as of 19:31, March 12, 2018

A supernova is a transient astronomical event that occurs during the last stellar evolutionary stages of a massive star's life, whose destruction is marked by one final titanic explosion. This causes the sudden appearance of a "new" bright star, before slowly fading from sight over several weeks or months.

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