A parsec was a unit used to measure distance. It was used by the Time Lords. (TV: The Ribos Operation) After landing on Karn, the Fourth Doctor claimed that the Time Lords had dragged his TARDIS 1000 parsecs off course. (TV: The Brain of Morbius)

Behind the scenes Edit

In the real world, the parsec is a unit of length used in astronomy, equal to about 30.9 trillion kilometres (19.2 trillion miles) or 3.26 light-years.

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