In Greek mythology, one of the famous twin brothers called the Dioscuri, and also a bright star in the constellation Gemini.
From Greek 'Pollux' or 'Polydeuces,' of uncertain origin, possibly meaning 'much sweet wine.' In Roman times, Castor and Pollux became symbols of divine twins protecting sailors.
Pollux is actually the brightest star in the Gemini constellation, and its companion star Castor is right next to it—ancient sailors used these 'twin stars' as navigation landmarks. St. Elmo's Fire, the glowing plasma seen on ships during storms, was believed to be Castor and Pollux protecting mariners!
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