The term ALPHA URSAE MAJORIS is a star system located in the constellation Ursa Major. It is the brightest star in the constellation and is also known as Dubhe. Alpha Ursae Majoris is a binary star system, consisting of two stars orbiting around each other. The primary star is a yellow-white giant, while the secondary star is a red dwarf. Alpha Ursae Majoris is approximately 81 light years away from Earth.