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 for ceremonies. Specific attire was worn by Daoists. Celestial Master collectives had secretaries assigned to them on the basis of their population. Clerics of the Celestial Masters were referred to as 黃赤祭酒 "libationers of the yellow and red" in the era of the Six dynasties. There were stationery clerics and roving clerics. Distinctions between different social groups in civilization were recognized and utilized accordingly by the Celestial Masters. The Celestial Masters did not find monastic lifestyle attractive and rather passed down their teachings to their biological heirs. Children and widows were part of the Celestial Master groups. Tablets were clutched