Gallifrey's a fictional planet in the long-running British science fiction television series Doctor Who and's the homeworld of the Doctor and the Time Lords. It's supposed to be located in the constellation of Kasterborous, at "galactic coordinates ten-zero-eleven-zero-zero by zero-two from galactic zero centre" (Pyramids of Mars, 1975), some 250 million light years away from Earth (as stated in the 1996 Doctor Who television movie; this would put it far outside our Milky Way galaxy, which's on… (More on Gallifrey)