d (parsec) = 1/ p (arcsecs) | Formula works due to small angle approximation | 1 Parsec (distance) = 206265 AU = 3.26 lightyears

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1. d (parsec) = 1/ p (arcsecs) | Formula works due to small angle approximation | 1 Parsec (distance) = 206265 AU = 3.26 lightyears