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is shortened from New Latin stella polaris "polar star", coined in the Renaissance era, when the star had approached the celestial pole to within a few degrees.Gemma Frisius, writing in 1547, referred to it as stella illa quae polaris dicitur ("that star which is called 'polar'"), placing it 3° 7' from the celestial pole.included a table of the first two batches of names approved by the WGSN; which included Polaris for the star α Ursae Minoris Aa.In antiquity, Polaris was not yet the closest naked-eye star to the celestial pole, and the entire constellation of Ursa Minor was used for navigation rather than any single star.Therefore, it makes an excellent fixed point from which to draw measurements for celestial navigation and for astrometry.
Polaris B can be seen even with a modest telescope. In January 2006, NASA released images, from the Hubble telescope, that showed the three members of the Polaris ternary system.Polaris, North Star, 1 Ursae Minoris, HR 424, BD 88° 8, HD 8890, SAO 308, FK5 907, GC 2243, ADS 1477, CCDM J02319 8915, HIP 11767, Cynosura, Alruccabah, Phoenice, Navigatoria, Star of Arcady, Yilduz, Mismar ), designated α Ursae Minoris (Latinized to Alpha Ursae Minoris, abbreviated Alpha UMi, α UMi), commonly the North Star or Pole Star, is the brightest star in the constellation of Ursa Minor.It is very close to the north celestial pole, making it the current northern pole star."Cynosure, or the Marian Polar Star"), a collection of Marian poetry published by Nicolaus Lucensis (Niccolo Barsotti de Lucca) in 1655.In the Tuareg Berber language in North Africa the North Star is known as "Tatrit tan Tamasna" which means: "star of the plains" or "star of the desert" and that indicates its central role in navigating the vast deserts.