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 the Celestial Masters. There is also evidence that after Zhang Lu’s submission to Cao Cao, numerous adherents fled south from Sichuan. These various followers of The Way of the Celestial Master coalesced to form a distinct form of Celestial Master Daoism known as the Southern Celestial Masters. The Southern Celestial Masters lasted as a distinct movement into the fifth century. Kou Qianzhi, who was raised in a Celestial Master family, received two visions of Laozi in 415 and in 423. In 424, he brought the work that resulted from these visions to the court of the Northern Wei dynasty. The