Celestial mechanics Celestial mechanics Celestial mechanics is the branch of astronomy that deals with the motions of objects in outer space. Historically, celestial mechanics applies principles of physics (classical mechanics) to astronomical objects, such as stars and planets, to produce ephemeris data. As an astronomical field of study, celestial mechanics includes the sub-fields of orbital mechanics, which deals with the launching and orbits artificial satellites, and lunar theory, a specialty which deals with the complications of the orbit of the Moon. Modern celestial mechanics tends to divide between five broad fields of study: All of the above fields overlap, but are sometimes
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