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)
 * Seven Gamma Seven (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)