Αα Alpha is a letter in the Greek alphabet of Earth, originating in the early period of Human history.
It was used in the following contexts:
- Astronomical nomenclature
- Alpha Ataru, a location
- Alpha Bayard, a location
- Alpha Beaird, a location
- Alpha Cooper, a location
- Alpha Crum, a location
- Alpha Glover, a location
- Alpha Johnson, a location
- Alpha McCusker, a location
- Alpha Meyers, a location
- Alpha Saunders, a location
- Alpha Shiro, a location
- Alpha Suhr, a location
- Cardassian terminology
- Alpha Red priority mission, a Cardassian military directive
- Cartography
- Alpha Quadrant, a quarter of the Milky Way Galaxy
- Kavis Alpha sector, a region of space
- Chemistry
- Hydrogen-alpha emission, an emission line created by hydrogen atoms
- Colonies
- Colony Alpha 5, an Earth colony
- Food and beverages
- Alpha-currant nectar, a Wadi beverage
- Holographic terminology
- Jupiter Station Diagnostic Program Alpha-11, a holographic agent
- Diagnostic routine alpha-three-six, a diagnostic performed on The Doctor's mobile emitter
- Emergency procedure alpha two, a main computer bypassing procedure
- Various holodeck programs, including:
- Legal terminology
- Medical terminology
- Alpha wave, a brain wave pattern
- Theta 12 alpha, a drug devised by The Doctor to combat Vulcan pon farr
- Planets
- Alfa 177
- Alpha III
- Alpha VII
- Alpha Balder IV
- Alpha Braga VII
- Alpha Carinae II
- Alpha Carinae V
- Alpha Cygnus IX
- Alpha Delphi IX
- Alpha Drapanas
- Alpha Echevarria IV
- Alpha Eridani II
- Alpha Fernandes III
- Alpha Laputa IV
- Alpha Majoris I
- Alpha Omicron VII
- Alpha Onias III
- Alpha Roller II
- Alpha Rossi
- Alpha Zayra II
- Ceti Alpha V
- Ceti Alpha VI
- Doctari Alpha
- Kavis Alpha IV
- Planet 1865-Alpha
- Tau Alpha C
- Zeta Alpha II
- Planetoids
- Alpha 441
- Alpha moon, aka Peliar Zel Alpha, a natural satellite of Peliar Zel
- Memory Alpha
- School
- Ships
- Alpha Nine, an attack raider used by the Maquis
- Alpha Seven, an attack raider used by the Maquis
- NX-Alpha, test vessel of the NX Program
- Space station
- Lya Station Alpha, a Starfleet space station
- Star systems
- Alpha Centauri
- Alpha Circini
- Alpha Doradus system
- Alpha Gruis
- Alpha Indi
- Alpha Leonis system
- Alpha Omicron system
- Alpha Onias system
- Alpha Ophiuchi
- Alpha Serpentis
- Ceti Alpha star system
- Dikon Alpha system
- M24 Alpha system
- Nequencia Alpha system
- Starfleet terminology
- Alpha-47 authorization, a Starfleet security protocol
- Alpha search pattern, a Starfleet procedure
- Alpha shift, the first shift or watch on a Starfleet starship
- Code 1-Alpha-Zero, a ship in distress code
- Pattern Riker Alpha, a Starfleet standard maneuver, developed by William T. Riker
- Seven-Alpha, a evasive maneuver executed by Captain Georgiou
- Stars
- Alpha Caeli
- Alpha Carinae
- Alpha Centauri C (Alpha Proxima)
- Alpha Leonis
- Alpha Majoris
- Alpha Monocerotis
- Alpha Tauri
- Ceti Alpha
- Dikon Alpha, a class nine pulsar
- Titles
- Alpha, a Jem'Hadar soldier bred in the Alpha Quadrant
- Alpha Hirogen, leader of a Hirogen pack
- Miscellaneous
- Alpha k, a bandwidth
- Doctor Alpha, a music program
- 56 alpha, an audio file