Celestial navigation Celestial navigation Celestial navigation, also known as astronavigation, is the ancient and modern practice of position fixing that enables a navigator to transition through a space without having to rely on estimated calculations, or dead reckoning, to know their position. Celestial navigation uses "sights", or angular measurements taken between a celestial body (e.g. the Sun, the Moon, a planet, or a star) and the visible horizon. The Sun is most commonly used, but navigators can also use the Moon, a planet, Polaris, or one of 57 other navigational stars whose coordinates are tabulated in the nautical almanac and air almanacs.
Way of the Celestial Masters China, as well as in Taiwan. Zhang Yucai, the Celestial Master (38th) draw a handscroll of a dragon. Zhang Sicheng was the 39th and succeeded him. Celestial Master teachings and Daoxue were mixed together by Yu Ji, whose teacher was 吳澄 Wu Cheng. Daoism's biggest known conceptions are folk religion, the Celestial Masters and Quanzhen Daoism in the modern era since Wang Changyue launched a renaissance of the Quanzhen. The Celestial Masters have survived into the 20th century. In 1949, after the communists gained power in the mainland, the Celestial Master fled to Taiwan. After the death of the 64th