Trojan (celestial body) Trojan (celestial body) In astronomy, a trojan is a minor planet or moon that shares the orbit of a planet or larger moon, wherein the trojan remains in the same, stable position relative to the larger object. In particular, a trojan remains near one of the two trojan points of stability – designated and – which lie approximately 60° ahead of and behind the larger body, respectively. Trojan points make up two of five types of Lagrangian points, and a trojan is a type of Lagrangian object. They are one type of co-orbital object. In this arrangement, the massive star
The Northern Celestial Masters The Northern Celestial Masters The Northern Celestial Masters type of the Way of the Celestial Master () Daoist movement existed in the north of China during the Southern and Northern Dynasties. The Northern Celestial Masters were a continuation of the Way of the Celestial Masters as it had been practiced in Sichuan province by Zhang Lu and his followers. After the community was forced to relocate in 215 CE, a group of Celestial Masters established themselves in Northern China. Kou Qianzhi, from a family who followed the Celestial Master, brought a new version of Celestial Master Daoism to the Northern