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.
A variable star in the class of cataclysmic variable stars. The normally very faint star once in a time erupts in an immense explosion raising the brightness a thousand to tens of million times.
 
Similar but unrelated to supernovae.

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A definition or brief description of Nova (astronomy).

A variable star in the class of cataclysmic variable stars. The normally very faint star once in a time erupts in an immense explosion raising the brightness a thousand to tens of million times.

Similar but unrelated to supernovae.