美国宇航局说，宇航员最早将于2016开始太空飞行。
NASA says astronauts would not fly onboard until at least 2016.
美国宇航局太空飞船“奋进”号将再次升空发射。
美国宇航局(NASA)说这是第二次美国宇航员在太空飞行中做爸爸了。
NASA said it is the second time a baby has been born to a US astronaut during a space flight.
美国国家宇航局正打算在下个月的某一天让宇宙飞船重新飞入太空。
NASA is hoping to renew shuttle flights sometime next month.
哈勃太空望远镜是美国宇航局和欧洲空间局的国际合作项目。
The Hubble Space Telescope is a project of international cooperation between ESA and NASA.
美国宇航局工程师克里昂？莱维特表示，处理太空垃圾迫在眉睫。
Nasa engineer Creon Levit said it was imperative that something was done about space junk.
美国国家宇航局太空行动部门的首席助理官威廉·雷迪在控制中心对记者说。
S. space agency NASA's associate administrator for space operations, told reporters at Mission Control.
美国国家宇航局太空行动部门的首席助理官威廉·雷迪在控制中心对记者说。
S. space agency NASA's associate administrator for space operations, told reporters at Mission Control.
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