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| {{Status|Canon}} | | {{Era|Forerunner|Covenant|Human|UNSC|HCW|Post|ILB|IRIS}} |
| {{Wikipedia|Solar System}}
| | The '''Sol system''', otherwise referred to by [[United Nations Space Command|UNSC]] personnel and humans alike as the '''Solar System''', is the home star system for [[human]]s. The system's G-class star is named [[Sol]], hence the system's name. |
| {{Stellar infobox
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| |name = Sol | |
| |image = [[File:Misriah Armory 1.JPG|300px]] <br/> Sol as seen from [[Mars]].
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| |distance =
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| |type =
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| |magnitude =
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| |constellation =
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| |bodies = | |
| |asteroids = [[Wikipedia:Kuiper Belt|Kuiper Belt]]{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}} | |
| |affiliation =*[[Ancient humanity]] and [[Ecumene]] {{c|Pre-[[Great Purification]]}}
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| *[[Unified Earth Government]] {{c|2170-2558}}
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| *[[Created]] {{c|2558-c. 2560}}
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| |events =*[[Interplanetary War]]
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| *[[Human-Covenant War]]
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| *[[Created uprising]]
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| }}
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| 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}} | | ==Major planets and moons== |
| | *[[wikipedia:Mercury (planet)|Mercury]] |
| | *[[wikipedia:Venus|Venus]] |
| | *[[Earth]] - The UNSC headquarters/human homeworld. |
| | **[[Luna]]- Where the [[Academy at Mare Nubium|Luna OCS Academy]] is located |
| | *[[Mars]] - A major site of the [[Interplanetary War]] and later during the [[Human-Covenant War]] it was the site of the [[Battle of Mare Erythraeum]]. Has been terraformed to have an Earth-like climate. |
| | *[[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 detects 15 [[Covenant Empire|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 Program|Spartans]] [[Linda-058]] and [[William-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, 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> |
| | *[[wikipedia:Uranus|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. |
| | *[[Neptune]] - Furthest away from Sol, it is another icy gas giant similar to Uranus. |
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| Citizens of the system are referred to as "Solarian".{{Ref/Reuse|enc22pg40}}
| | {{Clear}} |
| | {{Wide Image|HaloPlanets.jpg|1400px|A size comparison between [[Threshold]], [[Alpha Halo]], [[The Ark]], [[Arcadia]], [[Reach]], [[Harvest]] and planets in the Solar System.}} |
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| ==Overview== | | ==Dwarf planets== |
| ===Planetary system===
| | *Ceres - The largest [[asteroid]] to have ever been discovered by [[human]]ity. |
| {| class="wikitable sortable"
| | *Eris - Currently the largest Dwarf Planet known. It is almost 10% larger than Pluto in diameter. |
| |- align="center"
| | *[[Pluto]] - In the 1930's, Pluto was discovered to be a planet, and subsequently named. Many years later in 2006, scientists debated over if it was really big enough to actually be considered a planet, and gained some ground in the fact that it had a moon, Charon, but after much talk, it was declassified. 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 Elizabeth Halsey|Dr. Halsey]]'s message to [[Terrence Hood|Lord Hood]]. Pluto has three moons: Nix, Hydra, and Charon. |
| !width="75px"|Name !! Image !! Description !! Orbiting locations
| | *Haumea - The most notable feature is its highly elliptical shape. |
| |- align="center"
| | *Makemake - The second most distant dwarf planet, its lack of moons mean it and Ceres are the only two known dwarf planets orbiting Sol without moons. |
| | [[Mercury]] {{C|Sol I}} || || Tiny, barren world.{{Ref/Reuse|encyc283}}{{Ref/Reuse|enc11}} ||
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| |- align="center"
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| | [[Venus]] {{C|Sol II}} || || Failed terraforming project.{{Ref/Reuse|mythos50}} ||
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| |- align="center"
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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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| |- align="center"
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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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| |- align="center"
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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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| |- align="center"
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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> | |
| *[[Titan]] - Industrial colony.{{Ref/Reuse|mythos50}}
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| *[[Enceladus]]
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| |- align="center"
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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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| |- align="center"
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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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| |- align="center"
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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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| |- align="center"
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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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| |- align="center"
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| |[[Oort cloud]] || || ||
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| |}
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| ===Other locations===
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| *[[Shaw Institute Facility]]
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| ==History==
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| ===Ancient history===
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| {{Expand-section}}
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| ===Rise of humanity===
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| 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}}
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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.
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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])}}
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| 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}}
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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== |
| *Sol is the original [[Latin]] and the actual scientific name for [[Earth]]'s sun. This designation and name has actually been used instead of "Solar System" in many science fiction novels. | | *Sol is the original Latin and the actual scientific name for [[Earth]]'s sun. This designation and name has actually been used instead of "Solar System" in many science fiction novels. |
| *Sol is also an emblem option in ''[[Halo 3]]'' and ''[[Halo: Reach]]''.
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| ==Gallery==
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| <gallery>
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| HaloPlanets.jpg|A size comparison between [[Threshold]], [[Alpha Halo]], [[Installation 00]], [[Arcadia]], [[Reach]], [[Harvest]] and planets in the Solar System.
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| </gallery>
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| ==List of appearances== | | ==List of appearances== |
| {{col-begin}}
| | *''[[Halo 2]]'' |
| {{col-2}}
| | *''[[Halo 3]]'' |
| *''[[Halo: The Fall of Reach]]'' {{Fm}} | | *''[[Halo 3: ODST]]'' |
| *''[[Halo: First Strike]]'' {{1st}} | | *''[[Halo: First Strike]]'' {{1st}} |
| *''[[i love bees]]''
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| *''[[Halo 2]]''
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| *''[[Halo Graphic Novel]]''
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| *''[[Halo: Ghosts of Onyx]]'' | | *''[[Halo: Ghosts of Onyx]]'' |
| *''[[Iris]]''
| | *''[[Halo: Contact Harvest]]'' |
| **''[[Halo 3: The Cradle of Life]]''
| | *''[[Halo: Evolutions - Essential Tales of the Halo Universe]]'' |
| *''[[Halo: Landfall]]'' | | **''[[The Impossible Life and the Possible Death of Preston J. Cole]]'' |
| **''[[Halo: Combat]]''
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| **''[[Halo: Last One Standing]]'' | |
| *''[[Halo: Uprising]]'' | | *''[[Halo: Uprising]]'' |
| *''[[Halo 3]]'' | | *''[[Halo Graphic Novel]]'' |
| *''[[Halo: Contact Harvest]]''
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| *''[[Halo: The Cole Protocol]]''
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| *''[[Halo Wars]]'' {{Mo}}
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| *''[[Halo 3: ODST]]''
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| *''[[Halo Legends]]'' | | *''[[Halo Legends]]'' |
| **''[[Origins]]'' | | **''[[Origins]]'' |
| *''[[Halo: Evolutions]]'' | | *''[[i love bees]]'' |
| **''[[Midnight in the Heart of Midlothian]]''
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| **''[[Palace Hotel]]''
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| **''[[The Impossible Life and the Possible Death of Preston J. Cole]]''
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| {{col-2}}
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| *''[[Halo: Cryptum]]''
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| *''[[Halo: Glasslands]]''
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| *''[[Halo: Combat Evolved Anniversary]]''
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| **''[[Terminal (Halo: Combat Evolved Anniversary)|Terminals]]
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| *''[[Halo: The Thursday War]]''
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| *''[[Halo 4]]''
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| **''[[Spartan Ops]]''
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| *''[[Halo: Silentium]]''
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| *''[[Halo: Escalation]]''
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| *''[[Halo 2: Anniversary]]''
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| **''[[Terminal (Halo 2: Anniversary)|Terminals]]''
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| *''[[Halo: New Blood]]''
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| *''[[Halo: Spartan Strike]]''
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| *''[[Halo: Hunters in the Dark]]''
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| *''[[Halo: Fleet Battles]]'' {{Mo}}
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| *''[[Halo: Ground Command]]'' {{Mo}}
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| *''[[Halo Mythos: A Guide to the Story of Halo]]''
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| *''[[Halo: Bad Blood]]''
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| {{col-end}}
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| ==Sources== | | ==Sources== |
| {{Ref/Sources}}
| | <references/> |
| | | [[Category:Planetary Systems|Sol]] |
| {{Sol system}}
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| [[Category:Planetary systems|Sol]] | |
