这将是继2008年9月的神舟七号任务和2012年3月的神舟九号任务之后，景海鹏的第三次太空飞行。
It will be Jing's third spaceflight following his Shenzhou-7 mission in September 2008 and Shenzhou-9 mission in March 2012.
NASA在本周三宣布，第一台人形机器人将于今年九月搭乘发现号航天飞机首次踏入太空。
A humanoid robot will visit space for the first time in September aboard the space Shuttle Discovery, NASA announced Wednesday.
该火星探测器于1971年发射升空，水手九号火星探测器沿火星轨道运行是太空飞行器第一次沿着别的行星轨道运行。
It was launched in nineteen seventy-one. Mariner nine was the first space vehicle to orbit another planet.
称为“猎鹰九号”，是因为它的升空推进力来自于九架由太空探索技术公司自行研发的“莫林”火箭发动机。重点在于这架火箭拥有足够的动力把人送入太空轨道。
The important point about Falcon 9, so called because its lift-off is propelled by nine of SpaceX's proprietary Merlin rocket motors, is that it is powerful enough to put people into orbit.
信使号太空船预定在今年九月再次通过水星，在2011年则开始公转水星。
MESSENGER will buzz past Mercury again later this year before entering orbit in 2011.
信使号太空船预定在今年九月再次通过水星，在2011年则开始公转水星。
MESSENGER will buzz past Mercury again later this year before entering orbit in 2011.
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