To find the distance to a star (in parsecs, pc) from its mea…
To find the distance to a star (in parsecs, pc) from its measured parallax (in arc-seconds, arcsec), astronomers use the following simple formula. d(pc) =1p(arcsec){“version”:”1.1″,”math”:”d(pc) =1p(arcsec)”} A star has a parallax of 0.330 arcsec. How far away is it?
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