(covers information from several alternate timelines)
The quadrants of the Milky Way | |
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The Alpha Quadrant is located in the upper left (click to navigate) |
The Alpha Quadrant was the common designation for one-quarter of the Milky Way Galaxy. It was adjacent to the Beta Quadrant and the Gamma Quadrant. One-quarter of the galactic core was located in this quadrant. (Star Trek: Voyager, Season 7 production art; [1] Star Trek Into Darkness display graphics)
In late 24th century interstellar politics and diplomacy, the four great powers in the Alpha Quadrant were the United Federation of Planets, the Cardassian Union, the Klingon Empire, and Romulan Star Empire, though majority of the territory held by the latter two was found in the Beta Quadrant. Other powers at the time were divided into two groups. The mercantile powers, like the Ferengi Alliance, traded with the great powers. The isolationist powers, like the Breen Confederacy and the Tholian Assembly, defended their territory aggressively and would, on occasion, battle with other powers. (Star Trek: The Original Series; Star Trek: Deep Space Nine; Star Trek Into Darkness display graphics) By the late 23rd century, the Alpha Quadrant still remained largely unexplored by the United Federation of Planets. (VOY: "Flashback")
The Bajoran wormhole connected the Bajoran sector in the Alpha Quadrant to a point near the Idran system on the far side of the Gamma Quadrant near Dominion space. The use of this wormhole for exploration and trade by parties from the Alpha Quadrant incited hostility from the Dominion, culminating in the Dominion War. (Star Trek: Deep Space Nine)
The Borg maintained at least one transwarp hub and thousands of exit apertures in the Alpha Quadrant until 2378, when the entire transwarp network was destroyed by the USS Voyager. (VOY: "Endgame")
In the alternate 2259, a section of this quadrant, from a galactic map, was in a collection of graphics and video media that were seen on a powerwall in the offices of Admirals Christopher Pike and Alexander Marcus at Starfleet Headquarters. The map was being used primarily for charting activity on the Neutral Zone, Sectors 45 to 89. The three largest powers in this section – the Federation, the Klingon Empire, and the Orion Union – were labeled on this map. (Star Trek Into Darkness)
In the mirror universe 2370, according to Julian Bashir, the Klingon-Cardassian Alliance controlled "the entire quadrant". (DS9: "Crossover")
Major governments[]
- Breen Confederacy
- Cardassian Union
- Ferengi Alliance
- Klingon Empire (from the 9th century)
- Romulan Star Empire (until 2387)
- Tholian Assembly
- United Federation of Planets (from 2161)
- Other timelines/realities
- Klingon-Cardassian Alliance (mirror universe)
- Terran Empire (mirror universe)
- Orion Union (alternate reality)
- Cardassian Empire (alternate timeline)
Other societies[]
- Bajoran Republic
- Barzanian Planetary Republic
- Coalition of Madena
- Council of Nobles
- Eminian Union
- First Federation
- Gideon Council
- Orion Syndicate
- Kzinti government
- Talarian Republic
- The Patriarchy
- Vendikar High Council
Homeworlds[]
- Akaali homeworld
- Algol I
- Alpha Majoris I
- Andoria
- Angel I
- Arret
- Bajor
- Barzan II
- Benzar
- Betazed
- Bolarus IX
- Camus II
- Capella IV
- Cardassia Prime
- Coridan
- Cygnet XIV
- Delta IV
- Deneb IV
- Draylax
- Earth (Sol III)
- Miri (FGC-347601 III)
- Elas
- Eminiar VII
- Evora homeworld
- Fabrini homeworld
- Ferenginar
- Galen IV
- Gamma Trianguli VI
- Gideon
- Golana
- Janus VI
- Kiley 279
- Klaestron IV
- Kobliad
- Kzin
- Lactra VII
- Mizar II
- O'Ryan's Planet
- Omega Cygni
- Organia
- Orion
- Peliar Zel II
- Pollux IV
- Phylos
- Rigel IV
- Rigel VII
- Risa
- Sarpeidon
- Scalos
- Setlik II
- Sigma Draconis III
- Sigma Draconis IV
- Sigma Draconis VI
- Tagra IV
- Talarian homeworld
- Talos IV
- Taurus II
- Tellar Prime
- Torothan homeworld
- Trill
- Troyius
- Tzenketh
- Valakis
- Vulcan
- Zetar
Colonies and Outposts[]
- Adarak Prime
- Aldebaran III
- Alpha Centauri (planet)
- AR-558
- Arawath Colony
- Atbar Prime
- Athos IV
- Atlec
- Avenal VII
- Ba'ku
- Bajor VIII
- Barisa Prime
- Benecia (Benecia Colony)
- Bryma (Bryma Colony)
- Cardassia III
- Cardassia IV
- Cardassia V
- Ceti Alpha V
- Delta Outpost
- Deneva (Deneva colony)
- Draylon II
- Dreon VII
- Empok Nor
- Felton Prime
- Galen IV (Galen IV colony)
- Gamma 7 outpost
- Hakton VII
- Iridin
- Juhraya
- Korma
- L5 colony
- Loval
- Luna (Lunar colonies)
- Lya Station Alpha
- M'kemas III
- Mantilles
- Manzar
- Marcos XII
- Mars (Sol IV) (Martian colonies)
- Marva IV
- Memory Alpha
- Minos Korva
- Mudd
- Omicron Ceti III
- Ophiucus III
- Outpost 47
- Outpost 61
- Orellius
- Orion Sector Tactical Command
- Peliar Zel Alpha
- Peliar Zel Beta
- Pentath III
- Planet Q
- Platonius
- Portas V
- Prophet's Landing
- Quatal Prime
- Rigel VII Lagrange colony
- Rigel X
- Salva II
- Setlik III
- Sheva II
- Solarion IV (Solarion IV colony)
- Solosos III
- Soltok IV
- Straleb
- Titan
- Tracken II
- Trelka V
- Umoth VIII
- Vega colony
- Vendikar
- Volan II
- Volan III
Starbases[]
- Deep Space 5
- Deep Space 9
- Eminiar VII Starbase
- Starbase 2
- Starbase 4
- Starbase 9
- Starbase 10
- Starbase 11
- Starbase 12
- Starbase 21
- Starbase 25
- Starbase 29
- Starbase 32
- Starbase 46
- Starbase 47
- Starbase 62
- Starbase 74
- Starbase 200
- Starbase 211
- Starbase 214
- Starbase 237
- Starbase 257
- Starbase 310
- Starbase 375
- Starbase 514
- Starbase 621
- Starbase 0834
- Starbase 4077
- Starbase G-6
Spatial landmarks[]
- Arachnid Nebula
- Argolis Cluster
- Badlands
- Bajoran wormhole
- Barzan wormhole
- Beta Niobe Nebula
- Borias Cluster
- Briar Patch
- Helaspont Nebula
- Hugora Nebula
- McAllister C-5 Nebula
- Murasaki 312
- NGC 321
- Rolor Nebula
- Talos star group
- Tibor Nebula
- Tong Beak Nebula
Appendices[]
See also[]
Related links[]
External link[]
- Alpha Quadrant at Memory Beta, the wiki for licensed Star Trek works
Background information[]
Alpha/Beta quadrant border[]
The Star Trek Encyclopedia (2nd ed., p. 393) states that the Federation was spread across the Alpha and Beta Quadrants, with Earth as the border between, in order to explain why the USS Enterprise was often the "only ship in the quadrant", though the term quadrant has been often used to refer to smaller segments of the galaxy as well. The maps in the Star Trek: Star Charts also use Earth as the border between the Alpha and Beta quadrants.
Graphics used in astrometrics for Star Trek: Voyager, starting with the episode "Year of Hell", and on a PADD on Picard's ready room desk in Star Trek: Insurrection, also have Earth and the Federation straddling the border between the two quadrants. [3]
Dialogue in Star Trek: Deep Space Nine and Star Trek: Voyager, however, firmly establish that Earth is located on the Alpha Quadrant side of the border. Graphics used in Star Trek: Discovery and the alternate reality films support this, where the Alpha/Beta Quadrant border is moved one sector "west" and a star chart graphic used in Star Trek Into Darkness had the label "Alpha Quadrant" near Sector 01 (Level 3-B), which contains Earth. [4]
According to the Star Trek Encyclopedia (2nd ed., p. 393), Federation, Klingon, and Romulan territories are situated in both the Alpha and Beta quadrants. Dialogue from Deep Space Nine and Voyager exclusively referred to all three powers and governments in their vicinity as Alpha Quadrant powers.
In most reference works, novels, and games, Klingon and Romulan space are usually depicted or stated to be located solely in the Beta Quadrant. This would make the Federation the only government spanning both quadrants.
The video game Star Trek Online is largely faithful to the Star Charts representation of the galaxy, with a few systems moved for gameplay considerations.
According to the Star Charts, most of the early voyages of Enterprise NX-01 took place in the Beta Quadrant with only a few excursions in the Alpha Quadrant.
In the script for "Playing God", the Cardassian vole was described as being "the Alpha Quadrant's nominee for ugliest creature in the galaxy".