Changes

==Origin==

==Origin==

New Latin, feminine of [[Latin]] ''novus'' new

New Latin, feminine of [[Latin]] ''novus'' new

*[http://en.wikipedia.org/wiki/1927 1927]

*[https://en.wikipedia.org/wiki/1927 1927]

==Definition==

==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  

*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==

==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]

A '''nova''' (plural novae) is a cataclysmic [https://en.wikipedia.org/wiki/Nuclear_explosion nuclear explosion] in a star caused by the [https://en.wikipedia.org/wiki/Accretion_(astrophysics) accretion] of hydrogen on to the [[surface]] of a [https://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 [https://en.wikipedia.org/wiki/Supernova supernovae] or [https://en.wikipedia.org/wiki/Luminous_red_nova luminous red novae].[https://en.wikipedia.org/wiki/Nova]

[[Category: Astronomy]]

[[Category: Astronomy]]