Nova (astronomy)/Definition: Difference between revisions

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A star that increases rapidly in brightness; there are two main types: ordinary novae, and supernovae, which are much bigger and rarer.
Variable star in the class of cataclysmic variable stars, which is normally very faint but occasionally erupts in an immense explosion, increasing its brightness a thousand to tens of millions of times; similar but unrelated to supernovae.

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A definition or brief description of Nova (astronomy).

Variable star in the class of cataclysmic variable stars, which is normally very faint but occasionally erupts in an immense explosion, increasing its brightness a thousand to tens of millions of times; similar but unrelated to supernovae.