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The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System
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Parsec - Wikipedia
metric (SI) units 7016308570000000000♠3.0857×10 16 m ~31 petametres imperial & US units 7016308575618560000♠1.9174×10 13 mi astronomical units 7016308568047999355♠2.06265×10 5 au 7016308567400801506♠3.26156 ly <span>The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System. A parsec is defined as the distance at which one astronomical unit subtends an angle of one arcsecond, [1] which corresponds to 7005648000000000000♠648000/π astronomical units. One pa


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