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alpha geminorum

 

Definitions from WordNet

Noun alpha geminorum has 1 sense
  1. Castor, Alpha Geminorum - a multiple star with 6 components; second brightest in Gemini; close to Pollux
    --1 is a kind of multiple star
    --1 is a member of Gemini

Definitions from the Web

Alpha Geminorum

Definition:

Alpha Geminorum, also known as Castor, is a binary star system in the constellation Gemini. It is one of the brightest stars in the night sky and is frequently used for navigation.

Senses:

Noun

1. Alpha Geminorum: A binary star system consisting of two stars in the constellation Gemini.

Example sentence: Castor, or Alpha Geminorum, is a prominent star in the constellation Gemini.

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