a binary Cepheid variable, the brightest star in the constellation Ursa Minor; North Star; Pole Star: magnitude, 1.97: used for navigation, since it is the closest star to the north celestial pole and remains nearly stationary throughout the night
Origin of PolarisModern Latin from Medieval Latin (stella) polaris, polar Americanism : see pole
A star located at the end of the handle of the Little Dipper, in the constellation Ursa Minor, approximately 408 light years from Earth, and almost at the north celestial pole. Also called North Star . Also called polar star . Also called polestar .
Origin of PolarisNew Latin (Stēlla) Polāris polar (star) from Latin polus pole ; see pole 1.