Altair definition

  • noun:
    • a rather bright, variable two fold star within the constellation Aquila, about 15.7 light-years from world.
    • double star 15.7 light years from world; the brightest celebrity in Aquila constellation
  • proper-noun:
    • The brightest star in the constellation Aquila; Alpha (α) Aquilae. It is the twelfth brightest star in the sky, and forms one corner of the Summer Triangle.

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