Gamma

Gamma was the third letter in the Greek language alphabet of Earth. It originated in the early period of human history.
It was used in the following contexts:
* Gamma Forests, a heaven-neutral location. Also, from this, "Gamma Girl", a slang term for a female inhabitant of the Gamma Forests (TV: A Good Man Goes to War)
* Gamma Delphinius (PROSE: Sanctuary)
* Gameworld Gamma (COMIC: The Hunt of Doom)
* Ood 7 Gamma 7 (TV: Planet of the Ood)
* Epsilon Zero Gamma (TV: The Dominators)
* D5 Gamma Z Alpha, the name the Movellans used for Skaro (TV: Destiny of the Daleks)
* Justice Gamma, a planet in the Justicia prison system (PROSE: The Monsters Inside)
* Sigmus Gamma IV (PROSE: The Game of Death)
* Gamma Class VII Life Ark (COMIC: The Sky Below)
* Gamma radiation, a type of radiation (TV: Evolution of the Daleks)
* Gamma, a spaceship (AUDIO: Time Reef)