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{{ | {{Era|Forerunner|Covenant|HCW|Post}} | ||
{{Wikipedia}} | {{Wikipedia}} | ||
[[File:Requiem destruction.png|thumb|275px|[[Epoloch system|Epoloch]] | [[File:Requiem destruction.png|thumb|275px|[[Epoloch system|Epoloch]] supernovae after consuming Requiem.]] | ||
A ''' | 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. | ||
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In early [[Forerunner]] history, the Forerunners attempted to manipulate several stars in their [[Orion complex|region of space]]. They subsequently failed and caused several stars to supernova, leaving their [[Ghibalb|homeworld]] heavily irradiated and uninhabitable.<ref>'''[[Halo: Cryptum]]''', ''page 222''</ref> | In early [[Forerunner]] history, the Forerunners attempted to manipulate several stars in their [[Orion complex|region of space]]. They subsequently failed and caused several stars to supernova, leaving their [[Ghibalb|homeworld]] heavily irradiated and uninhabitable.<ref>'''[[Halo: Cryptum]]''', ''page 222''</ref> | ||
Before their defeat at the hands of the [[Flood]], and the firing of 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]]''', ''[[Terminal | Before their defeat at the hands of the [[Flood]], and the firing of 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]]''', ''[[Terminal/Halo 3|Terminal 2]]''</ref> | ||
Another supernova occurred in [[648 BCE]], causing the destruction of the [[San 'Shyuum]] [[Janjur Qom|homeworld]].<ref>'''[[Halo Encyclopedia]]''', ''page 113''</ref> | |||
In the [[Battle of Shield World 0459]] in [[2531]], the [[United Nations Space Command|UNSC]] moved the {{UNSCShip|Spirit of Fire}}'s [[Shaw-Fujikawa Translight Engine|slipspace drive]] into the [[Apex Site]] of [[Shield World 0459]] 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 [[Unidentified Forerunner dreadnought class|Forerunner dreadnoughts]], preventing the [[Covenant]] from using it and saving [[human]]ity 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> | |||
At the close of the [[Requiem campaign]] in [[2558]], the leader of a [[Jul 'Mdama's Covenant faction|Covenant remnant]], [[Jul 'Mdama]], put the shield world [[Requiem]] on a collision course with the system's sun. When the planet was absorbed by the sun, the star went into a supernova state and exploded, nearly destroying the {{UNSCShip|Infinity}} which narrowly escaped the shockwave into slipspace.<ref>'''[[Spartan Ops]]''', [[S1/Exodus|S1E10 ''Exodus'']]</ref> | |||
At the close of the [[Requiem | |||
==List of appearances== | ==List of appearances== | ||
*''[[Halo 3]]'' | *''[[Halo 3]]'' | ||
**''[[Terminal | **''[[Terminal/Halo 3]]'' {{First mentioned}} | ||
*''[[Halo Wars]]'' {{1st}} | *''[[Halo Wars]]'' {{1st}} | ||
*''[[Halo: Cryptum]]'' {{Mo}} | *''[[Halo: Cryptum]]'' {{Mo}} | ||
*''[[Halo 4]]'' | *''[[Halo 4]]'' | ||
**''[[Spartan Ops]]'' | **''[[Spartan Ops]]'' | ||
*''[[Halo: Escalation]]'' | *''[[Halo: Escalation]]'' | ||
==Sources== | ==Sources== | ||
<references/> | |||
[[Category:Astronomy]] | [[Category:Astronomy]] | ||
[[Category:Physics]] | [[Category:Physics]] |