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== | ||
Revision as of 12:16, April 22, 2010
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 galaxy before fading from view over several weeks or months. During this short interval, a supernova can radiate as much energy as the 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.[1]
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 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.[2]
Another supernova occurred in 648 B.C.E. causing the destruction of the San 'Shyuum homeworld.[3]
Halo Wars
In the Battle of the Flood-controlled Shield World in 2531, The UNSC moved the UNSC Spirit of Fire's Slipspace Drive into the Apex Site of the unnamed Shield World and detonated it close to the internal miniature star. The chain reaction sent the star into supernova state, obliterating the Installation and the fleet of Forerunner Ships, preventing the Covenant from using it and saving Humanity from total defeat and extinction.[4]
Sources
- ^ Wikipedia: Supernova
- ^ Halo 3 - Terminals, Second Terminal
- ^ Halo Encyclopedia, page 113
- ^ Halo Wars cutscene "One Less Sun in The Universe"
