The Pole Star: a Never-Ending Story
Over the history of human civilizations, the Pole Star, visible from northern hemisphere, has been used as a beacon to mariners, navigators and travellers as well as astronomers to help determine the latitude of any place. However, as a consequence of the phenomena known as the precession of the equinoxes, the role of the North Star as a guiding light has passed from one star to another over time. A Pole Star is a visible star, usually a prominent one that aligns closely wit