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Beta Geminorum, 78 Geminorum

Proper NamesPollux
Bayer DesignationBeta Geminorum
Flamsteed Number78 Geminorum
HR (BSC)2990
Right Ascension7h 46m 20s
Declination+27° 58' 59"
Distance34 light years
10 parsecs
MagnitudeApparent: +1.2
Absolute: +1.1
Spectral ClassK0III Orange Giant
Optimum VisibilityJanuary / February
NotesAn orange giant star, Pollux is some ten times the diameter of the Sun and lies nearly 34 light years away. It has one known planet, named Thestias, which is a gas giant roughly twice the size of Jupiter.

An orange giant, the brightest of the stars of Gemini despite its 'Beta' designation, and one of the brightest in the entire sky. It is less than thirty-five light years from the Solar System.


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