03-31-2017, 05:17 PM
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#11649
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We have to go back, Kate!
Join Date: Apr 2004
Location: Yorkshire
Posts: 25,964
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Nope
Quote:
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Most supernova take a fraction of a second up to a couple seconds to explode. What we observe as the actual supernova is the light and energy that come out of that explosion. Typical supernova get brighter during the first 3 weeks or so after that very fast explosion.
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http://askanastronomer.org/stars/201...ploding-stars/
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