Notes
Castor, also designated Alpha Geminorum (α Geminorum, abbreviated Alpha Gem, α Gem) is the second-brightest star in the constellation of Gemini and one of the brightest stars in the night sky.
[ https://en.wikipedia.org/wiki/Castor_(star) ]
Castor, also designated Alpha Geminorum (α Geminorum, abbreviated Alpha Gem, α Gem) is the second-brightest star in the constellation of Gemini and one of the brightest stars in the night sky.
[ https://en.wikipedia.org/wiki/Castor_(star) ]
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