parsec

Definition of parsec

par´sec   Pronunciation: pär´sĕk
n.1.(Astron.) A unit of length used in describing astronomical distances, equal to 3.26 light years, or 3.086 x 1013 km. Abbreviated pc. The derived units of kiloparsec (kpc, 1000 parsecs) and megaparsec (mpc, one million parsecs) are often found in discussion of astronomical distances.

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astronomy unit, secpar
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-parsec-
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