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| {{Status|Canon}} | | {{Era|Forerunner|Covenant|Human|UNSC|HCW|Post}} |
| {{Wikipedia|Solar System}} | | {{Wikipedia|Solar System}} |
| {{Stellar infobox | | {{Stellar Infobox |
| |name = Sol | | |name = Sol |
| |image = [[File:Misriah Armory 1.JPG|300px]] <br/> Sol as seen from [[Mars]]. | | |image = [[File:Sol.png|300px]] |
| |distance = | | |distance = |
| |type = | | |type = G2V |
| |magnitude = | | |magnitude = 4.83 |
| |constellation = | | |constellation = |
| |bodies = | | |bodies = 8 |
| |asteroids = [[Wikipedia:Kuiper Belt|Kuiper Belt]]{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}} | | |asteroids = Main [[Asteroid]] Belt |
| |affiliation =*[[Ancient humanity]] and [[Ecumene]] {{c|Pre-[[Great Purification]]}} | | |affiliation = [[Unified Earth Government]] |
| *[[Unified Earth Government]] {{c|2170-2558}}
| | |events = [[Interplanetary War]] |
| *[[Created]] {{c|2558-c. 2560}}
| | |hidea=yes |
| |events =*[[Interplanetary War]] | |
| *[[Human-Covenant War]]
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| *[[Created uprising]]
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| }} | | }} |
| | | {{Stub}} |
| The '''Sol system''', also referred to as the '''Solar system''', is the home star system of [[Human]]ity.{{Ref/Site|Id=hwearth|D=01|M=6|Y=2020|URL=https://www.halowaypoint.com/en-us/universe/locations/earth|Site=Halo Waypoint|Page=Universe - Earth}} And Earth, the human [[planet|homeworld]], holds the seat of power for both the [[Unified Earth Government]],{{Ref/Site|Id=hwueg|D=01|M=6|Y=2020|URL=https://www.halowaypoint.com/en-us/universe/factions/ueg|Site=Halo Waypoint|Page=Universe - UEG}} and the [[United Nations Space Command]].{{Ref/Site|Id=hwunsc|D=01|M=6|Y=2020|URL=https://www.halowaypoint.com/en-us/universe/factions/unsc|Site=Halo Waypoint|Page=Universe - UNSC}} | | The '''Sol system''', otherwise referred to as the '''Solar System''', is the home star system of the [[human]] species. The system's G-class star is named Sol, hence the system's name. Sol is an average sized star in its main sequence phase, and is the dominant source of light for [[Earth]]. According to current definitions, eight planets and five dwarfs planets orbit it, for a total of 13, including the four inner terrestrial planets and the four gas giants, separated by an asteroid belt. Many smaller planetoids also orbit Sol, and many of the system's planets possess moons of varying size and number, such as Earth's satellite, [[Luna]]. |
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| Citizens of the system are referred to as "Solarian".{{Ref/Reuse|enc22pg40}}
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| ==Overview== | | ==Overview== |
| ===Planetary system===
| | Sol is most prominently home to [[Earth]], humanity's homeworld and the capital of the [[Unified Earth Government]], as well as many important [[human colonies]] which are based on its many planets, [[natural satellite|moons]] and [[asteroid]]s. Many worlds in the system now house habitats suitable for human life, achieved either through extensive [[terraforming]] or the use of vacuum-sealed environments. Humanity first colonized the system's worlds beyond Earth in the late 21st and early 22nd centuries, followed by steady growth of the populations on Earth and the off-world colonies throughout the next two centuries before the launch of the first extrasolar [[Odyssey|colonization program]] in [[2362]], enabled by the development of the [[Shaw-Fujikawa Translight Engine]] in [[2291]].<ref>'''[[Halo Encyclopedia]]''', ''pages 43-44'' (2011)</ref> |
| {| class="wikitable sortable"
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| !width="75px"|Name !! Image !! Description !! Orbiting locations
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| | [[Mercury]] {{C|Sol I}} || || Tiny, barren world.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}} ||
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| | [[Venus]] {{C|Sol II}} || || Failed terraforming project.{{Ref/Reuse|mythos50}} ||
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| | [[Earth]] {{C|Sol III}} || [[File:Earth.JPG|300px]] || The human homeworld,{{Ref/Reuse|hwearth}} home to the headquarters of the UEG{{Ref/Reuse|hwueg}} and the UNSC.{{Ref/Reuse|hwunsc}} Also the site of [[Kupiga Simu]], a Sol system communications transmitter.{{Ref/Reuse|hwearth}} || [[Luna]] - Earth's only natural satellite. Home to Sol's oldest [[Officer Candidate School]], the famed [[Academy at Mare Nubium|Luna OCS Academy]].<ref name="news">''[[Halo: Reach Limited Edition]]'', [[Intersystem News]], [[:File:Intersystem News Miranda.jpg|LCDR Miranda Keyes Awarded Silver Star]]</ref>
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| | [[Mars]] {{C|Sol IV}} || [[File:Enc22 Mars.jpg|300px]] || Humanity's first colonized planet and terraformed to have an Earth-like climate.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}} || [[Phobos]] - Site of a [[Penal colony]].{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}}
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| | [[Jupiter]] {{C|Sol V}} || [[File:H2A Terminals - IoStation.jpg|300px]] || A gas giant, and second largest body in the Sol System.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}} || <br/>
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| *[[Io]] - Unstable moon with a large colony.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}}
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| *[[Europa]] - Colonized and terraformed.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}}
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| *[[Callisto]] - Home to a number of UNSC bases.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}}
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| *[[Ganymede]] - Largest moon of Jupiter, partially terraformed, and is populated.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}}
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| *[[Jovian Habitats]]
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| | [[Saturn]] {{C|Sol VI}} || [[File:Saturn postcard.png|300px]] || A gas giant known for its bright surrounding rings. Saturn is the third largest body in the Sol System. Its practical uses to the UNSC are limited, and therefore it is mostly just a tourist destination.{{Ref/Book|Id=encyc283|Enc09|Section=Locations: The Sol System|Page=282-283}}{{Ref/Book|Id=enc11|Enc11|Section=Locations: The Sol System|Page=294-295}} || <br/>
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| *[[Castellaneta]] - A tourist station, is in geosynchronous orbit on the "sunny side" of the planet's outermost ring.<ref>''[[Halo: New Blood]]'', p. 26-27</ref>
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| *[[Titan]] - Industrial colony.{{Ref/Reuse|mythos50}}
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| *[[Enceladus]]
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| | [[Uranus]] {{C|Sol VII}} || || Gas giant with anomalous properties.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}} || [[2011 QF99]] - One of Uranus' [[Wikipedia:Trojan (astronomy)|trojan asteroids]], it features an anomaly of some kind and is surrounded by an exclusion zone.{{Ref/Book|Id=mythos50|HM|Section=The Interplanetary War|Page=50-51}}
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| | [[Neptune]] {{C|Sol VIII}} || || Named after the [[Rome|Roman]] god of the sea. Furthest away from Sol, it is a gas giant that is relatively unexplored.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}}|| N/A
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| | [[Wikipedia:Kuiper Belt|Kuiper Belt]] || || Asteroid belt || [[Ixion (Sol system)|Ixion]] - A minor planet and the last chartered colony in the Sol system.{{Ref/Book|Id=Enc22|Enc22|Page=41}}
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| |[[Pluto]] || || A diminutive planetoid once classified as a planet.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}} || Numerous [[space station]]s orbit it.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}}
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| |[[Oort cloud]] || || ||
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| |}
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| ===Other locations===
| | Some of the system's colonies were attacked by the [[Covenant]] during the [[Battle of Earth]] in late [[2552]], although with the Covenant's primary focus on Earth, many of the human habitats survived the assault relatively intact.<ref>[https://www.halowaypoint.com/en-us/universe/species/humans '''Halo Waypoint''': ''Humans'']</ref> |
| *[[Shaw Institute Facility]]
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| ==History== | | ==Major planets and moons== |
| ===Ancient history===
| | *[[Mercury]] |
| {{Expand-section}}
| | *[[Venus]] |
| ===Rise of humanity===
| | *[[Earth]] - The human homeworld, home to the headquarters of the UEG and the UNSC. |
| Humanity had put together joint efforts to colonize the rest of the Sol system by [[2080]].{{Ref/Site|Id=HWULMars|URL=https://www.halowaypoint.com/en-us/universe/locations/mars|Site=Halo Waypoint|Section=Universe, Locations|Page=Mars|D=25|M=2|Y=2021|LocalArchive=https://archives.halopedia.org/waypoint/www.halowaypoint.com/en-us/universe/locations/mars.html}}{{Ref/Book|Id=HMRoH|HM|Section=Rise of Humanity|Page=47}} These colonization efforts required the use of [[Cryo chamber|cryo chambers]] due to travel times.{{Ref/Book|Enc22|Page=39}}
| | **[[Luna]]- Earth's only natural satellite, home to a major human colony as well as the famed [[Academy at Mare Nubium|Luna OCS Academy]]. |
| | *[[Mars]] - One of humanity's first interplanetary colonies, Mars has been terraformed to have an Earth-like climate. Was the site of a [[Mars Campaign|decisive battle]] in the [[Interplanetary War]]s. Fell to the [[Covenant]] during the [[Human-Covenant War]] after the [[Battle of Mare Erythraeum]]. |
| | *[[Jupiter]] - A gas giant, Jupiter is the largest planet in the Sol System. |
| | **[[Io]] - The site of a UNSC listening post. On October 20, [[2552]], the listening post on Io detected [[Fleet of Sacred Consecration|15 Covenant ships]] inbound under the command of the [[Prophet of Regret]].<ref>'''[[Halo 2]]''', campaign level, ''[[Cairo Station (level)|Cairo Station]]''</ref> |
| | **[[Europa]] - It contains a UNSC base and a substantial colony. [[SPARTAN-II program|Spartans]] [[Linda-058]] and [[Will-043]] were once assigned to a mission on this satellite. |
| | **[[Callisto]] - The second-largest Jovian Moon. The site of the signing of the [[Callisto Treaty]] and a number of UNSC bases. |
| | **[[Ganymede]] - The [[MJOLNIR Powered Assault Armor/V variant|EVA Armor]] was developed here; also home to a number of colonists. |
| | *[[Saturn]] - A gas giant known for its clearly visible surrounding rings, unlike the other gas giants whose rings are rather dim. Saturn is the second largest planet in the Sol System. Its practical uses to the UNSC are limited, and therefore it is mostly just a tourist destination.<ref>'''[[Halo Encyclopedia]]''', ''page 283''</ref> [[Castellaneta]], a tourist station, is in geosynchronous orbit on the "sunny side" of the planet's outermost ring.<ref>'''[[Halo: New Blood]]''', ''pages 26-27''</ref> |
| | **[[Titan]] |
| | **[[Enceladus]] |
| | *[[Uranus]] - An icy gas giant about twice as far away as Saturn from Sol. Its distance from Sol makes it of little use to the UNSC. |
| | **[[2011 QF99]] - One of Uranus' [[Wikipedia:Trojan (astronomy)|trojan asteroids]], it features an anomaly of some kind and is surrounded by an exclusion zone.<ref>'''[[Halo Mythos]]''', ''page 51''</ref> |
| | *[[Neptune]] - Furthest away from Sol, it is another icy gas giant similar to Uranus. |
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| The 22nd-century saw the rise of the [[Koslovics]] and [[Frieden]]s across the solar system.{{Ref/Book|Enc22|Page=21}} The [[Jovian Moons Campaign]], [[Mars Campaign]], and finally the [[Interplanetary War]] would all come out of it. | | ==Dwarf Planets== |
| | *[[wikipedia:Ceres (dwarf planet)|Ceres]] - The largest [[asteroid]] in the Sol system. |
| | *[[wikipedia:Eris (dwarf planet)|Eris]] - Currently the largest Dwarf Planet known. It is 10 to 26 kilometers larger than Pluto in diameter. |
| | *[[Pluto]] - Originally discovered in the 1930s and initially classified as the Solar System's ninth planet, Pluto was reclassified as a dwarf planet in 2006. The Pluto Slipstream monitoring station ''[[Democritus]]'' is stationed in orbit around it. On November 3, [[2552]], the Monitoring Station detected Cortana's signal in [[Slipstream space|Slipspace]] with [[Catherine Halsey|Dr. Halsey]]'s message to [[Terrence Hood|Lord Hood]]. Pluto has five moons: Nix, Hydra, Charon, Kerberos, and Styx. |
| | *[[wikipedia:Haumea (dwarf planet)|Haumea]] - The most notable feature is its highly elliptical shape. |
| | *[[wikipedia:Makemake (dwarf planet)|Makemake]] - The second most distant dwarf planet, at least one moon. |
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| Just prior to{{Ref/Reuse|enc22pg40}} the [[2362|January 1, 2362]] launch of the ''[[Odyssey]]'',{{Ref/Book|Enc09|Section=Famous UNSC Ships|Page=256-257}}{{Ref/Book|Enc11|Section=Famous UNSC Ships|Page=268-269}} [[Ixion (Sol system)|Ixion]] would become the last chartered solar colony.{{Ref/Book|Id=enc22pg40|Enc22|Page=40-41}} With the ''Odyssey''{{'}}s launch, [[Domus Diaspora|the first wave of human expansion]] outside the system would take place.{{Ref/Site|Id=xbox|URL=http://www.xbox.com/en-US/games/h/halo/storyline.htm|Site=Xbox.com|Page=Halo Storyline|D=24|M=04|Y=2008|LocalArchive=Archive:Xbox.com/Halo/Timeline|Detail=(Additional copy on [http://halo.bungie.org/misc/mstimeline2.html HBO Forums])}}
| | ==Other== |
| | | *[[Shaw Institute Facility]] |
| By [[2390]], the Sol system was becoming increasingly unstable. The UEG was pressured to demilitarize the system, which came in tandem with a second colonization effort of [[Reach]] in the [[Epsilon Eridani system]].{{Ref/Book|Enc22|Page=42}}
| | *[[Oort cloud]] |
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| ===Human-Covenant War===
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| {{Main|Human-Covenant War}}
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| The first known [[Battle of October 10|incursion]] into the Sol System was on [[2552#October|October 10, 2552]] by unknown enemies.{{Ref/Generic|Id=loot2|Heading=[[Halo Legendary Crate]]|Subheading=[[Halo Legendary Crate/Data Drops|Data Drop #2]]}}
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| On October 20, the [[Fleet of Sacred Consecration]] was detected near the moon of [[Io]]. Soon after, the Fleet appeared near Earth, commencing the [[Battle for Earth]].{{Ref/Level|Id=cairostation|H2|[[Cairo Station]]}} Over the next few months, battles on Earth and elsewhere in the system would take place.{{Ref/Reuse|loot2}} The [[Battle of Mare Erythraeum]] on [[Mars]] would take place during this time frame.{{Ref/Comic|Id=HUI1|Comic=Halo: Uprising|Issue=[[Halo: Uprising Issue 1|1]]}} The UNSC Home Fleet would be utterly devastated by November 17 with the arrival of the ''[[Anodyne Spirit]]'' and [[Truth's fleet]].{{Ref/Level|[[Halo 3]]|[[Crow's Nest]]}} One of final skirmishes on Earth would take place on December 3, during [[Operation: MARSH FLASH]].{{Ref/Reuse|loot2}}
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| Despite massive Covenant assault across the Sol system even on Sol colonies' cities,{{Ref/Novel|[[Halo: New Blood]]|Page=101 (Google Play edition)}} many of the human population centers of Sol colonies, such as Mars, and Luna in the system survived the assault relatively intact,{{Ref/Site|D=01|M=6|Y=2020|URL=https://www.halowaypoint.com/en-us/universe/species/humans|Site=Halo Waypoint|Page=Universe - Humans}} although the majority of Earth habitats have been destroyed.{{Ref/Comic|Id=HUI3|Comic=Halo: Uprising|Issue=[[Halo: Uprising Issue 3|3]]}} In aftermath of the [[Battle for Tribute]] with the loss of over half of the population on [[Tribute]], Earth was unable to afford to spare any immediate assistance with Sol’s colonies that has been left in ruins during the Covenant onslaught on the Sol system.{{Ref/Site|D=01|M=6|Y=2020|URL=https://www.halowaypoint.com/en-us/universe/locations/tribute|Site=Halo Waypoint|Page=Tribute}}
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| ===Post-war===
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| {{Main|Created uprising}}
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| Following the war in [[2555]], Mars played host to a joint-operations training exercise, [[Operation: FOCUS LENS 2555]] - tasked with simulating a second Covenant invasion of the Sol system.{{Ref/Game|Id=H5GLtd|Halo 5: Guardians Limited Edition|[[Halo 5: Guardians Limited Edition dossiers#Holly Tanaka|Dossier files]] - Holly Tanaka}}
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| With the arrival of the [[Created]]'s [[Guardian Custode|Guardians]] during [[The Reclamation]], Forerunner facilities across the system triggered failsafe mechanisms making them temporarily inert or inaccessible.{{Ref/Book|Enc22|Page=19}} Following their arrival, Sol territories fell under the control of the [[Created]] and started broadcasting their signals.<ref name="rossbach">''[[Halo: Fractures]]'', [[Rossbach's World (story)|Rossbach's World]]</ref>
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| ==Non-canon and dubious canon appearances==
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| ===Silver Timeline===
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| {{Main|Silver Timeline}}
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| {{Notice/Silver}}
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| The Sol system, also referred to as the Capital System, is a planetary system that includes Mercury, Earth, the Oort Cloud, and Jupiter. It is home to billions. Intrasystem travel is routine.{{Ref/Site|Id=silver|URL=https://halotheseries.tv/|Site=Halo: The Series|Page=Dr. Catherine Halsey's Computer|D=25|M=3|Y=2022|LocalArchive=Dr. Catherine Halsey's Computer}}
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| ==Trivia== | | ==Trivia== |
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| *''[[Halo: The Cole Protocol]]'' | | *''[[Halo: The Cole Protocol]]'' |
| *''[[Halo Wars]]'' {{Mo}} | | *''[[Halo Wars]]'' {{Mo}} |
| | {{col-2}} |
| *''[[Halo 3: ODST]]'' | | *''[[Halo 3: ODST]]'' |
| *''[[Halo Legends]]'' | | *''[[Halo Legends]]'' |
| **''[[Origins]]'' | | **''[[Origins]]'' |
| *''[[Halo: Evolutions]]'' | | *''[[Halo: Evolutions - Essential Tales of the Halo Universe]]'' |
| **''[[Midnight in the Heart of Midlothian]]'' | | **''[[Midnight in the Heart of Midlothian]]'' |
| **''[[Palace Hotel]]'' | | **''[[Palace Hotel (short story)|Palace Hotel]]'' |
| **''[[The Impossible Life and the Possible Death of Preston J. Cole]]'' | | **''[[The Impossible Life and the Possible Death of Preston J. Cole]]'' |
| {{col-2}}
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| *''[[Halo: Cryptum]]'' | | *''[[Halo: Cryptum]]'' |
| *''[[Halo: Glasslands]]'' | | *''[[Halo: Glasslands]]'' |
| *''[[Halo: Combat Evolved Anniversary]]'' | | *''[[Halo: Combat Evolved Anniversary]]'' |
| **''[[Terminal (Halo: Combat Evolved Anniversary)|Terminals]] | | **''[[Terminal/Halo: Combat Evolved Anniversary|Terminals]] |
| *''[[Halo: The Thursday War]]'' | | *''[[Halo: The Thursday War]]'' |
| *''[[Halo 4]]'' | | *''[[Halo 4]]'' |
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| *''[[Halo: Escalation]]'' | | *''[[Halo: Escalation]]'' |
| *''[[Halo 2: Anniversary]]'' | | *''[[Halo 2: Anniversary]]'' |
| **''[[Terminal (Halo 2: Anniversary)|Terminals]]'' | | **''[[Terminal/Halo 2: Anniversary|Terminals]]'' |
| *''[[Halo: New Blood]]'' | | *''[[Halo: New Blood]]'' |
| *''[[Halo: Spartan Strike]]'' | | *''[[Halo: Spartan Strike]]'' |
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| *''[[Halo: Fleet Battles]]'' {{Mo}} | | *''[[Halo: Fleet Battles]]'' {{Mo}} |
| *''[[Halo: Ground Command]]'' {{Mo}} | | *''[[Halo: Ground Command]]'' {{Mo}} |
| *''[[Halo Mythos: A Guide to the Story of Halo]]'' | | *''[[Halo Mythos]]'' |
| *''[[Halo: Bad Blood]]'' | | *''[[Halo: Bad Blood]]'' |
| {{col-end}} | | {{col-end}} |
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| ==Sources== | | ==Sources== |
| {{Ref/Sources}}
| | <references/> |
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| {{Sol system}}
| | [[Category:Planetary Systems|Sol]] |
| [[Category:Planetary systems|Sol]] | |
