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 Northern Celestial Masters both descended directly from the initial movement founded by Zhang Daoling, there are many beliefs that are shared. A number of texts exist that give insight into early Celestial Master practice, in particular the "Taiping Jing" and the "Xiang'er" commentary to the Laozi. The foundation of Daoist belief is that there is an energy source known as qi that pervades all things. The human body also contains qi, but it only has a limited amount of qi. Qi could be lost from the body through things such as sweating and ejaculation. The Celestial Masters shared these foundational