The brightest star in the constellation Ursa Major (the Big Dipper), also known as Alpha Ursae Majoris.
From Arabic 'dhubah' meaning 'back' or 'back of the lion,' since in Arabic star lore this star represented the back of a lion constellation. The name was Latinized into European star catalogs.
Dubhe is an orange giant star over 300 times brighter than our Sun and 64 light-years away—yet it's been a navigation marker for countless sailors and travelers because it never sets below the horizon in the Northern Hemisphere.
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