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Unit of distance. Distance substand by arc or 1 second. 1 parsec=3.26 light years
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Its unit of length in astronomy, It is approximately equal to 3.08568025 × 1013 km or 3.2616 light years.
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Its unit of length in astronomy, It is approximately equal to 3.08568025 × 10^13 km or 3.2616 light years.
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