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 not found among the religious texts in the Lingbao caves. The ceremonies of the Celestial Masters, Sanhuang, Lingbao, and Shangqing were categorized and grouped by Lu Xiujing. In the Eastern Han the Celesial Masters spread to the northwest. Celestial Masters believed in communication with spirits. Religious canon was divided into 七部 7 sections during the Southern dynasties by the Celestial Masters. Non specific designations were used for the divinities of the most sublime station by the Celestial Masters. 道門定制 Daomen dingzhi was a religious texts composed in the Song dynasty. Buddhism, Celestial Masters and fangshi all contributed to the religious