(n) :
(astronomy) β Ursae Minoris, the second-brightest star in the constellation Ursa Minor, formerly a dual North Star with Pherkad from about 1000 BC to about AD 300.
(n) :
(astronomy) β Ursae Minoris, the second-brightest star in the constellation Ursa Minor, formerly a dual North Star with Pherkad from about 1000 BC to about AD 300.