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July 31, 2014

Homework Help: Science

Posted by Sara on Monday, January 8, 2007 at 7:16pm.

What is a supernova?

supernova is 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.

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