Antares definition

  • noun:
    • a huge red binary celebrity, the brightest within the constellation Scorpio, about 424 light-years from Earth.
    • The principal celebrity in Scorpio: -- called in addition the Scorpion's Heart.
    • A red star regarding the first magnitude, the center among three in the body associated with the Scorpion; a Scorpii. See cut under Scorpius.
    • the brightest star in Scorpius
  • proper-noun:
    • a suitable name for Alpha Scorpii (α Sco), the brightest star into the constellation Scorpius. It is a M kind red giant, and is a binary with a-b type companion noticeable in greenish.

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