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Kasterborous (Cas-TER-bor-os) was the constellation in which the planet Gallifrey was located. (TV: Pyramids of Mars)

Features[edit | edit source]

The Sixth Doctor mentioned that Kasterborous was made up of seventeen suns. (AUDIO: Trial of the Valeyard) When explaining where they were from, the Doctor sometimes mentioned that Gallifrey was located in Kasterborous, (TV: Attack of the Cybermen, Voyage of the Damned, The Day of the Doctor, Spyfall; AUDIO: An Earthly Child) as did Jack Harkness and Clara Oswald while pretending to be the Doctor. (AUDIO: Piece of Mind, TV: Death in Heaven)

Location[edit | edit source]

The Sixth Doctor said it was "just to the left of Karn". (AUDIO: Vortex Ice)

Etymology[edit | edit source]

The constellation was named by the Minyans. (PROSE: Goth Opera)

According to another account, the name originated from Kasterborus, an astrologer who gave the largest contribution to "neo-astrology", occurring between the third millennium and the beginning of the fourth millennium. This led the inhabitants of Gallifrey to name the constellation after Kasterborus, due a rare display of humour from the race. (PROSE: Introduction and links)

History[edit | edit source]

The Doctor's parents owned a summer house in the Kasterborous of another universe. (PROSE: The Infinity Doctors)

The Racnoss Wars were waged by the Time Lords in response to a precognition foreseeing Racnoss Webstars swarming throughout Kasterborous. (AUDIO: Empire of the Racnoss)

During the War in Heaven, Kasterborous was torn apart and erased from history when the Eighth Doctor used the Edifice to destroy Romana III's Gallifrey. In the post-War universe, Marnal was unable to find Kasterborous anywhere in space or time. (PROSE: The Gallifrey Chronicles)

As no Time Lord was allowed to know Gallifrey's personal future, TARDISes were prevented from entering Kasterborous after a certain date. (PROSE: Goth Opera)

During the early days of the Last Great Time War, the Eighth Doctor returned Susan Foreman to Kasterborous, his granddaughter returning to Gallifrey via teleport. (AUDIO: The Shoreditch Intervention)

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