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The nearest star, Proxima Centauri, is about 1.3 parsecs (4.2 light-years) from the Sun.[2]
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Parsec - Wikipedia
tance at which one astronomical unit subtends an angle of one arcsecond, [1] which corresponds to 7005648000000000000♠648000/π astronomical units. One parsec is equal to about 3.26 light-years (30 trillion km or 19 trillion miles) in length. <span>The nearest star, Proxima Centauri, is about 1.3 parsecs (4.2 light-years) from the Sun. [2] Most of the stars visible to the unaided eye in the night sky are within 500 parsecs of the Sun. [citation needed] The parsec unit was probably first suggested in 1913 by the British


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