Traken

Traken, (TV: The Keeper of Traken) or Traaken, (PROSE: The Cyber Files) was the homeworld of the Trakenites, a race of pacifists, and the capitol of the Traken Union. Its many plants required much care, a duty that was carried out by the Fosters.

The planet was in the system Mettula Orionsis and was watched over by the Keeper of Traken. It was said that there was so much good in the air that evil would just shrivel up and die.

The Doctor's companion, Nyssa, was a native of Traken. (TV: The Keeper of Traken)

Astronomical data
Traken had no seas. (AUDIO: The Perils of Nellie Bly)

History
Traken once had a monarchic system of government. (PROSE: The Immortals)

According to Nyssa, Traken stopped being reliant on robotic help 12,000 years before her time.

At some point a Trakenite colony on Serenity was founded. (AUDIO: Cold Fusion)

The Fifth Doctor took Nyssa to Traken in its primeval age (circa 1000 BC) to cure her of an illness, as all diseases had been eradicated on the planet by her native time. (AUDIO: Primeval)

The Second Doctor visited Traken with Jamie McCrimmon and Victoria Waterfield. (PROSE: The Astronomer's Apprentice)

In 1981, whilst travelling to Earth from Logopolis in the Fourth Doctor's TARDIS, Adric and Nyssa witnessed Traken and Mettula Orionsis being destroyed by a wave of entropy. (TV: Logopolis)

Culture
Traken law was seen as sacred. (TV: The Keeper of Traken)

There were no zoos on Traken. (AUDIO: Smoke and Mirrors)

Television existed on Traken, but it never became a popular form of entertainment. (PROSE: Not So Much a Programme, More a Way of Life) Theatre also existed on Traken. (AUDIO: The King of the Dead)

Emails were banned on Traken as they were too distracting. (AUDIO: Ghost Walk)

Biology
Satona chlorensis was a flower which grew on Traken, and Night Hawks were a native bird which emigrated to the planet's southern islands at a particular time of year. (AUDIO: The Toy) The crested avar was another native bird. (AUDIO: Primeval)