Supernova: Difference between revisions
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A '''Supernova''' (plural: supernovae or supernovas) is a stellar explosion. They are extremely luminous and cause a burst of [[radiation]] that may briefly outshine an entire [[Milky Way|galaxy]] before fading from view over several weeks or months. During this short interval, a supernova can radiate as much energy as the [[Sol|Sun]] could emit over its life span. The explosion expels much or all of a star's material at a velocity of up to a tenth the speed of light, driving a shock wave into the surrounding interstellar medium. This shock wave sweeps up an expanding shell of gas and dust called a supernova remnant.<ref>[[Wikipedia:Supernova|Wikipedia]]</ref> | A '''Supernova''' (plural: supernovae or supernovas) is a stellar explosion. They are extremely luminous and cause a burst of [[radiation]] that may briefly outshine an entire [[Milky Way|galaxy]] before fading from view over several weeks or months. During this short interval, a supernova can radiate as much energy as the [[Sol|Sun]] could emit over its life span. The explosion expels much or all of a star's material at a velocity of up to a tenth the speed of light, driving a shock wave into the surrounding interstellar medium. This shock wave sweeps up an expanding shell of gas and dust called a supernova remnant.<ref>[[Wikipedia:Supernova|'''Wikipedia''': ''Supernova'']]</ref> | ||
On average, supernovae occur about once every 50 years in a galaxy the size of the [[Milky Way]] and play a significant role in enriching the interstellar medium with heavy elements. Furthermore, the expanding shock waves from supernova explosions can trigger the formation of new stars. | On average, supernovae occur about once every 50 years in a galaxy the size of the [[Milky Way]] and play a significant role in enriching the interstellar medium with heavy elements. Furthermore, the expanding shock waves from supernova explosions can trigger the formation of new stars. | ||
Before their extinction at the hands of the [[the Flood|Flood]], and the [[Halo Array]], the Forerunner fleet had "the capacity to force premature stellar collapse," creating an artificial supernova, used to destroy entire star systems taken by the Flood.<ref>''[[Terminals]]'', Second Terminal</ref> | Before their extinction at the hands of the [[the Flood|Flood]], and the [[Halo Array]], the Forerunner fleet had "the capacity to force premature stellar collapse," creating an artificial supernova, used to destroy entire star systems taken by the Flood.<ref>'''[[Halo 3]]''' - ''[[Terminals]]'', Second Terminal</ref> | ||
Another supernova | Another supernova occurred in [[648 B.C.E.]] causing the destruction of the [[San 'Shyuum]] homeworld.<ref>'''[[Halo Encyclopedia]]''', ''page 113''</ref> | ||
==Halo Wars== | ==Halo Wars== | ||
In the [[Battle of the | In the [[Battle of the Flood-controlled Shield World]] in [[2531]], The [[United Nations Space Command|UNSC]] moved the {{UNSCShip|Spirit of Fire}}'s [[Shaw-Fujikawa Translight Engine|Slipspace Drive]] into [[The Apex|the Apex Site]] of the [[Shield World (Halo Wars)|unnamed Shield World]] and detonated it close to the internal miniature star. The chain reaction sent the star into supernova state, obliterating the [[Shield World|Installation]] and the fleet of [[Unnamed Forerunner Starship|Forerunner Ships]], preventing the [[Covenant Empire|Covenant]] from using it and saving [[Humans|Humanity]] from total defeat and extinction.<ref>'''[[Halo Wars]]''' ''cutscene [http://www.youtube.com/watch?v=Rw449I95UHY&feature=player_embedded "One Less Sun in The Universe"]''</ref> | ||
==Sources== | ==Sources== |