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 and prostrations were conducted by clerics. The Dadaojia Lingjie denounced the Yellow Turbans who were enemies of the Celestial Masters. A ritual master of the Celestial Masters may have been a 齋官 fast officer. Daoist Lingbao and Celestial Masters may have overlapped in customs with the Daoist Louguan ceremonies. Building temples, effigies and fasting was practiced by Daoists to gain blessings. 寇謙之 Kou Qianzhi was the leader of the Celestial Masters north branch. Celestial Masters north branch under Kou Qianzhi worshipped divinities described in the 魏書 Book of Wei. Yin Xi and the Elder Lord are abesnt from the Celestial