Editing Milky Way

The '''Milky Way''', known as '''Path Tolgreth''' to the [[Forerunner]]s,{{Ref/Novel|PoL|Chapter=24}} is a [[wikipedia:Barred spiral galaxy|barred spiral galaxy]].{{Ref/Reuse|YTAccurate}}{{Ref|See the [[#Production notes|production notes]] section}}  

It is the galaxy where [[human]]ity and the former [[Covenant]] client species reside,{{Ref/Novel|CH|Page=26}} “The Covenant, as an empire, dominated much of the galaxy, though they would generally leave a world untouched unless it offered particular treasures, whether practical or religious”. The UNSC, however, is largely limited to the [[Orion Arm]] of the Milky Way.{{Ref/Book|HWF|Page=12-13}} The galaxy is also home to a number of other intelligent species, although only a small number of these have attained spacefaring or even technological status.{{Ref/Site|D=01|M=6|Y=2020|URL=https://www.halowaypoint.com/en-us/news/canon-fodder-bulkhead-banter|Site=Halo Waypoint|Page=Canon Fodder - Bulkhead Banter}} In total, the galaxy was home to quadrillions.{{Ref/Novel|DW|Chapter=1}}

[[File:HWF - Full Galaxy map.jpg|thumb|A map of the Milky Way galaxy.{{Ref/Book|HWF}}]]

From outside, the Milky Way is a vaguely disk shaped galaxy with a bright center.{{Ref/Reuse|H3A}} From inside however, the galaxy appears to be a clouded, bulbous band.{{Ref/Map|H3|Orbital}}

It is orbited by two small satellite galaxies known as the [[Magellanic Clouds]].{{Ref/Novel|Id=clouds|Cry|Page=268}}

100,000 years before the present day, the previous galactic community was dominated by the [[Forerunner]]s, a now [[extinction|extinct]] species that possessed extremely advanced technology and [[Ecumene|an empire]] that spanned a significant portion of the galaxy. Millions of years before the rise of the Forerunners, an even more advanced civilization known as the [[Precursor]]s controlled the Milky Way. Having reached the pinnacle of [[Technological Achievement Tiers|technological advancement]], they were believed to have significantly contributed to the evolution of life across the galaxy, even created several species, such as Forerunners and humans. Over ten million years before the present, however, the Forerunners [[Forerunner-Precursor war|rose up against]] their creators in defiance of their decision to bestow their [[Mantle]] on humanity,{{Ref/Novel|Pri}} and seemingly ended their rule in the galaxy after destroying their last remnants in the [[Large Magellanic Cloud]].{{Ref/Novel|Sil|Page=181-182}}

The Forerunners, originating from [[Ghibalb]] in the [[Orion complex]], ruled a large portion of the galaxy for millions of years, affecting the development of other species as they saw fit. Around [[150,000 BCE]], [[human]]ity, still composed of many species, arose from their homeworld Earth, known as "Erde-Tyrene" at the time. They mastered interstellar travel and began to move [[Prehistoric human civilization|their civilization]] along the Orion Arm of the Milky Way. They later [[Human-San'Shyuum alliance|allied]] with the [[San'Shyuum]] species, forming a prosperous interstellar empire based on the [[planet]] [[Charum Hakkor]]. Around [[107,445 BCE]], humanity and their San'Shyuum allies came into contact with the Flood, a sentient parasite supposedly originating from the [[Large Magellanic Cloud]].{{Ref/Reuse|clouds}} Hundreds of systems were lost to the parasite in the [[Human-Flood war|resulting conflict]]. Meanwhile, humanity's aggressive expansion and the perceived violations of the [[Mantle]] prompted the Forerunners to take action and begin [[human-Forerunner wars|a war]] against humanity. Although the Flood later withdrew and seemingly died out from the galaxy, it had already weakened the humans enough to allow the Forerunners to emerge victorious.{{Ref/Novel|Id=Cry|Cry}}

Following the war in approximately [[106,445 BCE]], the Forerunners dismantled humanity's civilization, regressing them into a [[Technological Achievement Tiers|Tier 7 species]]. The remaining humans were devolved and exiled to their homeworld, where they slowly began to redevelop [[Erde-Tyrene civilization|a primitive civilization]] under the tutelage of the Forerunner [[Lifeshaper]], the [[Librarian]].{{Ref/Reuse|Cry}}

[[File:H5G-Lasky&Roland.jpg|thumb|250px|[[Roland]] and [[Thomas Lasky|Lasky]] examining the takeover of multiple systems by the [[Created]].{{Ref/Reuse|H5GG}}]]

Though the civilization of the Sangheili had plunged into chaos due to the [[Covenant remnants|breaking of the Covenant]],{{Ref/Novel|Gla}} the conflict between them and the Jiralhanae would still rage by [[2559]]. Humanity, as well, would continue to face conflict both within and without, in the form of resurgent [[Insurrectionist]] movements as well as various hostile [[Covenant remnants]]. [[Post-Covenant War conflicts|These irregular conflicts]] later saw significant Forerunner involvement, both in terms of contention for Forerunner artifacts but also the reawakening of the Forerunner commander known as the [[Ur-Didact]] and his [[Promethean]] armies on [[Requiem]].

Months after the Didact's release, [[Cortana]], a human [[artificial intelligence]] who played a key role in the waning years of the Human-Covenant War, staged an AI [[Created|rebellion]] against the galaxy's organic species using a legion of Promethean warriors and a caste of Forerunner constructs known as [[Guardian Custode]]s. Using the latter, Cortana disabled most contemporary technologies across hundreds of colonies across the [[Orion Arm]], both human and alien, bringing the species under her aegis on pain of death.{{Ref/Level|Id=H5GG|H5G|Guardians}}

Because the Covenant have been spacefaring for over three millennia,{{Ref/Book|Enc09|Page=30}} and possess far superior [[astrogation|slipstream navigation]] technology to humanity, they have explored a significantly larger portion of the galaxy than humanity has. Encompassing thousands of systems, the Covenant Empire was so expansive and complex that entire worlds and sub-domains could disappear from records for decades before contact resumed.{{Ref/Book|HWF|Page=52}} The Covenant dominated much of the galaxy but would leave a world untouched unless it had religious or practical importance.{{Ref/Site|URL=https://www.halowaypoint.com/en-us/universe/factions/covenant|Site=Halo Waypoint|Page=Covenant|D=25|M=01|Y=2016}} The Covenant have discovered and explored several Forerunner [[shield world]]s as well as other Forerunner artifacts, from which they have acquired much of their advanced technology.

The Forerunners, having been spacefaring for millions of years and possessing slipspace technology allowing them to cross galactic distances in a negligible time, had explored significant portions of the galaxy. Their [[ecumene]] encompassed three million fertile worlds,{{Ref/Novel|Cry|Page=9}} along with many artificial installations they had constructed. The Forerunners divided the galaxy into [[margin arc]]s and [[thema]]s, with the latter being defined by galactic-scale magnetic fields.{{Ref/Novel|Sil|Page=234-235}} They were also capable of traveling [[intergalactic space|outside the galaxy]], including an expedition to the [[Path Kethona|Large Magellanic Cloud]] and the construction of the [[Ark]]s hundreds of thousands of lightyears from the galaxy.{{Ref/Level|Id=H3A|H3|The Ark (level)|The Ark}}