Kasterborous
Kasterborous is a fictional planet in the Doctor Who universe. It is the home planet of the Doctor's species, the Time Lords. Kasterborous is located in the constellation of Kasterborous. The planet is described as being a technologically advanced world with a long and complex history. It is the center of the Time Lord civilization, and it is where the Time Lords conduct their experiments and studies. Kasterborous is also home to the Time Lord Academy, where young Time Lords are trained to become Time Lords. The planet is mentioned in several Doctor Who stories, including "The Deadly Assassin" and "The War Games". In these stories, Kasterborous is depicted as a powerful and influential planet that plays a significant role in the affairs of the galaxy. However, Kasterborous is also shown to be a planet that is in decline. The Time Lords are becoming increasingly isolationist, and they are losing their interest in the outside world. This decline is eventually leading to the downfall of the Time Lord civilization.