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Pollux

File:Gemini_constellation_map.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ13028· pop 59· linked from 178 articles

Also known as Beta Geminorum, 78 Geminorum, β Gem, Beta Gem, 78 Gem, β Geminorum, HIP 37826, HIC 37826

star in the northern constellation of Gemini

AI overview

Pollux is a bright star located in the constellation Gemini in the northern sky. It is one of the two brightest stars in this constellation and is named after a figure from Greek mythology.

AI-generated from the Wikipedia summary — may contain errors.

~6 min read

Encyclopedic overview

Pollux is the brightest star in the constellation of Gemini. It has the Bayer designation β Geminorum, which is Latinised to Beta Geminorum and abbreviated Beta Gem or β Gem. This is an orange-hued, evolved red giant located at a distance of 34 light-years, making it the closest red giant (and giant star) to the Sun. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified. In 2006, an exoplanet (designated Pollux b or β Geminorum b, later named Thestias) was announced to be orbiting it.

Nomenclature

Excerpted from Wikipedia’s “Pollux” article, available under the CC BY-SA 4.0 licence.

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