Title: Gebaini ge ming
Subjects: Cosmology, Ke xue zhe xue, Yan jiu, Xing xing, Tian wen xue, De revolutionibus orbium coelestium (Copernicus, Nicolaus)
Places: xi fang guo jia
People: Nicolaus Copernicus (1473-1543)
Time periods: zhong shi ji