Difference between a Nova and a Supernova?

Answer

The difference between a nova and a supernova, is that a supernova can't hold it's own gravity.They are structured differently. A nova has a quick brightness type of flash.
Q&A Related to "Difference between a Nova and a Supernova?"
A. Nova. [See Link] is a fusion reaction in the accretion layer (the superficial shell) of a white dwarf star, which is slowly stealing material from a companion in a binary system.
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A nova can happen over and over - they are thought to be caused by a white dwarf that accumulates hydrogen on its surface (from a companion star) until there is enough to initiate
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A Nova is more common than a supernova. Although Astronomers observe 2 or 3 novae in our galaxy each year; they are fairly common with about 20 estimated in our galaxy each year.
http://answers.yahoo.com/question/index?qid=201106...
Nova is a binary system, normal star like the sun and a small
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