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Big Dipper (Ursae Majoris)
Ursa Major, the Great Bear, is the third-largest constellation in the sky and one of the most ancient and universally recognized star patterns. It contains the famous Big Dipper (or Plough) asterism, which has served as a celestial compass for navigators and travelers for thousands of years. The constellation is circumpolar for most northern latitudes, meaning it never sets below the horizon.
📜 Mythologie
In Greek mythology, Zeus fell in love with Callisto, a beautiful nymph and follower of Artemis. When Hera, Zeus's jealous wife, discovered the affair, she transformed Callisto into a bear. Years later, Callisto's son Arcas, now a skilled hunter, encountered his mother in the forest but didn't recognize her. As he was about to kill her, Zeus intervened and placed them both in the sky - Callisto as Ursa Major and Arcas as Ursa Minor. Hera, still vengeful, forbade them from ever setting below the ocean, which explains why these constellations are circumpolar.
💡 Fakten
- ✦The two stars at the end of the Big Dipper's bowl (Dubhe and Merak) point directly to Polaris, the North Star
- ✦Five of the Big Dipper's seven stars are actually moving together through space as part of the Ursa Major Moving Group
- ✦Mizar and Alcor form a famous naked-eye double star in the handle of the Big Dipper