Gamma

Gamma was the third letter in the Greek language alphabet of Earth, originating in the early period of human history.

It was used in the following contexts:


 * Gamma Forest (DW: A Good Man Goes to War)
 * 'Gamma Girl', a slang term for a female inhabitant of the Gamma Forest
 * Gamma Delphinius (NA: Sanctuary)
 * Gameworld Gamma (DWBIT: The Hunt of Doom)
 * Seven Gamma Seven (DW: Planet of the Ood)
 * Epsilon Zero Gamma (DW: The Dominators)
 * D5 Gamma Z Alpha, the name the Movellans used for Skaro (DW: Destiny of the Daleks)
 * Justice Gamma, a planet in the Justicia prison system (NSA: The Monsters Inside)
 * Sigmus Gamma IV (TDL: The Game of Death)
 * Gamma Class VII Life Ark (DWBIT: The Sky Below)