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1引言2003年10月16日晨,中国神舟5号飞船返回舱在内蒙古中部安全着陆。2005年10月12日,神6成功发射,17日晨安全返回。2008年7月27日16时44分,翟志刚向地面报告,身体情况良好,16时59分成功返回,标志中国历史第一次太空行走完成。随后神舟八号、神舟九号、神舟十号与天空一号对接,标志中国已经掌握天地往返关键技术,中国航天事业又迈新台阶。2空间活动的意义首先现在世界上很多航天科学家都在寻找蓝色星球,也就是在找地球这样有大气有水的星球。空间活动可以让人类实
1 Introduction On the morning of October 16, 2003, the spacecraft Shenzhou 5 capsule returned to China safely landed in central Inner Mongolia. On October 12, 2005, God 6 successfully launched and returned safely on the 17th. At 16:44 on July 27, 2008, Zhai Zhigang reported to the ground that he was in good health and returned successfully at 16:59, marking the completion of the first spacewalk in Chinese history. Subsequently, the Shenzhou VIII, Shenzhou 9 and Shenzhou-10 docked with Sky One, marking that China has mastered the key technology of returning to and from the world, and China’s space industry has taken a new step. 2 The significance of space activities First of all, many space scientists in the world are now looking for blue planets, that is, looking for such an atmosphere of the planet Earth has water. Space activities can make people real