天文

• Observing method of zenith distance for celestial positioning
  顶距测量的天文定位法
• Get space and astronomy news , photos , and videos
  -包含图片资料天文知识。
• Chinese journal of astronomy and astrophysics
  中国天文和天体物理学报英文版
• What ' s a " tiny nudge " in planetary terms
  "微小碰触"在天文术语里是什么意思
• Starting the construction of the interactive observatory
  开展天文观测站的建筑工程。
• I most certainly do . i ' m passionate about it
  谁说我不懂，我对天文充满热情
• Museum functions - " astrophotographic competition 2005
  太空馆节目天文摄影比赛2005
• Astronomy activities of the qing dynasty qintianjian
  清代钦天监的天文工作
• Probe in developing popular astronomical tourism
  发展我国天文科普旅游初探