What is the relation between light-year and parsec
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One parsec is approximately equal to 3.26 light- years . Proxima Centauri , the nearest known star to earth other than the sun , is about 1.3 parsecs away ,by direct parallex measurements .
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One parsec is approximately equal to 3.26 light-years. Proxima Centauri, the nearest known star to earth other than the sun, is about 1.3 parsecs (4.24 ly) away, by direct parallax measurement. The distance to the open cluster Pleiades is 130±10 pc (420±30 ly) from us, per Hipparcos parallax measurement.
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