Alcor (star)
Star in the constellation of Ursa Major
Nº Q13088 ★★★
Rare · Knowledge
Alcor (star)
Star in the constellation of Ursa Major
Alcor () is a binary star system in the constellation of Ursa Major. It is the fainter companion of Mizar, the two stars forming a naked eye double in the handle of the Big Dipper (or Plough) asterism in Ursa Major. The two lie about 83 light-years away from the Sun, as measured by the Hipparcos astrometry satellite.
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From Wikipedia
Alcor () is a binary star system in the constellation of Ursa Major. It is the fainter companion of Mizar, the two stars forming a naked eye double in the handle of the Big Dipper (or Plough) asterism in Ursa Major. The two lie about 83 light-years away from the Sun, as measured by the Hipparcos astrometry satellite.
Text: Wikipédia, CC BY-SA 4.0. · Image: Dipper.jpg: Transferred from en.wikipedia to Commons. deriva... (CC BY-SA 3.0) ·
