Concept information
Preferred term
supernova
Definition(s)
- A supernova is a powerful and luminous explosion of a star. It has the plural form supernovae or supernovas, and is abbreviated SN or SNe. This transient astronomical event occurs during the last evolutionary stages of a massive star or when a white dwarf is triggered into runaway nuclear fusion. The original object, called the progenitor, either collapses to a neutron star or black hole, or is completely destroyed. The peak optical luminosity of a supernova can be comparable to that of an entire galaxy before fading over several weeks or months. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Supernova)
Broader concept(s)
Narrower concept(s)
Synonym(s)
- supernovae
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/MDL-B6B6Q1HD-3
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