An astronomical measurement of distance (usually measuring distance to stars,) equal to about 3.2616 Light years, or about 3.08568Ã10^16 m (about 30,856,800,000,000,000 meters). Not a measurement of time. Derives from "PARallax of one SECond of arc."
Han Solo: "You never heard of the Milennium Falcon? She made the Kessel Run in less than 12 parsecs!" Silly George Lucas, leave the big scientific terms to Asimov and Clarke.
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