Pollux, brightest star in the constellation Gemini; Bayer designation Beta Geminorum; 1992 position R.A. 7h44.8m, Dec. +28°03−. An orange giant of spectral class K0 III, it is the nearest giant star, lying at a distance of 35 light-years. Its apparent magnitude of 1.13 makes it one of the 20 brightest stars in the sky. Pollux is the brighter of the Twins, Castor appearing about half as bright.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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