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[[File:lighterstill.jpg]][[File:Nova0.jpg|right|frame]]
==Origin==
New Latin, feminine of [[Latin]] ''novus'' new
*[http://en.wikipedia.org/wiki/1927 1927]
==Definition==
*1: a [[star]] that suddenly increases its [[light]] output tremendously and then fades away to its former [[obscurity]] in a few months or years
==Description==
A '''nova''' (plural novae) is a cataclysmic [http://en.wikipedia.org/wiki/Nuclear_explosion nuclear explosion] in a star caused by the [http://en.wikipedia.org/wiki/Accretion_(astrophysics) accretion] of hydrogen on to the [[surface]] of a [http://en.wikipedia.org/wiki/White_dwarf white dwarf] star, which ignites and starts nuclear fusion in a runaway manner. Novae are not to be [[confused]] with [http://en.wikipedia.org/wiki/Supernova supernovae] or [http://en.wikipedia.org/wiki/Luminous_red_nova luminous red novae].[http://en.wikipedia.org/wiki/Nova]
[[Category: Astronomy]]
==Origin==
New Latin, feminine of [[Latin]] ''novus'' new
*[http://en.wikipedia.org/wiki/1927 1927]
==Definition==
*1: a [[star]] that suddenly increases its [[light]] output tremendously and then fades away to its former [[obscurity]] in a few months or years
==Description==
A '''nova''' (plural novae) is a cataclysmic [http://en.wikipedia.org/wiki/Nuclear_explosion nuclear explosion] in a star caused by the [http://en.wikipedia.org/wiki/Accretion_(astrophysics) accretion] of hydrogen on to the [[surface]] of a [http://en.wikipedia.org/wiki/White_dwarf white dwarf] star, which ignites and starts nuclear fusion in a runaway manner. Novae are not to be [[confused]] with [http://en.wikipedia.org/wiki/Supernova supernovae] or [http://en.wikipedia.org/wiki/Luminous_red_nova luminous red novae].[http://en.wikipedia.org/wiki/Nova]
[[Category: Astronomy]]
