Pollux, in astronomy

Pollux, brightest star in the constellation Gemini Gemini (jĕm`ənī, –nē) [Lat.
..... Click the link for more information. ; Bayer designation Beta Geminorum; 1992 position R.A. 7^h44.8^m, Dec. +28°03'. An orange giant of spectral class spectral class, in astronomy, a classification of the stars by their spectrum and luminosity . In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically.
..... Click the link for more information. K0 III, it is the nearest giant star, lying at a distance of 35 light-years. Its apparent magnitude magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the
..... Click the link for more information. of 1.13 makes it one of the 20 brightest stars in the sky. Pollux is the brighter of the Twins, Castor Castor (kăs`tər), bright star in the constellation Gemini ; Bayer designation α Geminorum; 1992 position R.A. 7^h34.
..... Click the link for more information. appearing about half as bright.

Pollux, Greek hero

Pollux, Greek hero: see Castor and Pollux.

Pollux (redirected from Pollux (disambiguation))

Pollux, in astronomy

Pollux, Greek hero

Pollux
(redirected from Pollux (disambiguation))