EntityQ714352· pop 30· linked from 632 articlesPurple Mountain ObservatorySign in to saveastronomical observatory in ChinaConnectionsPorcelain Tower of NanjingEntitylist of minor planets: 2001–3000EntityPurple MountainEntityXuyi CountyEntityXuanwu LakeEntityCity Wall of NanjingEntityTaiwanCountryChineseEntitycometEntitygeographic coordinate systemEntityasteroidEntityInternational Standard Book NumberEntityNanjingCityJiangsuEntityQinghaiEntitypinyinEntityQingdaoCityChinese calendarEntityInternational Astronomical UnionEntityobservatoryEntityCategoriesAstronomical observatories in ChinaBuildings and structures in NanjingDiscoveries by the PMO NEO Survey ProgramDiscoveries by the Purple Mountain ObservatoryMajor National Historical and Cultural Sites in JiangsuMinor-planet discovering observatoriesPurple Mountain ObservatoryResearch institutes of the Chinese Academy of Sciences