发现号是美国太空总署航天飞机机队里最老、服役年头最长的一架航天飞机。
It is the oldest and longest-serving vehicle in the U. S. space agency's shuttle fleet.
不幸的是，人们作出的愚蠢的决定往往和睡眠不足有着莫大的关系，美国太空总署的一份调查报告显示21%的飞行员操作失误跟疲劳有关。
Unfortunately, there is a strong correlation between poor decision-making and lack of sleep. A NASA study found that 21 percent of pilot errors are related to fatigue.
韦博不是一名宇航员，而是20世纪60年代美国国家航天太空总署的领导者-这点强烈说明了权利的平衡是如何在科学家和官僚家之间转移的。
Webb was not an astronomer, but head of NASA in the 1960s—a sharp indication of how the balance of power has shifted between scientists and bureaucrats.
本周三是世界地球日。就前美国航空暨太空总署太空人埃德加·米契尔和其他U FO狂热者而言，真实的事件正发生于某些地方。
Earth Day may fall later this week, but as far as former NASA astronaut Edgar Mitchell and other UFO enthusiasts are concerned, the real story is happening elsewhere.
在美国航空与太空总署的机遇机器人探测器开始探究火星后不久，它发现了矿物，研究者说它的岩石是湿的温暖历史的证据。
Soon after NASA's robotic rover Opportunity began exploring Mars, it found minerals and rocks that its handlers said were evidence of a warm, wet history.
美国太空总署将会无异议地让一个未受训练的家伙登上太空----只要他是在南海上最佳的钻油工人。
NASA will let any untrained bozo go into space without giving an argument---if he happens to be one of the best damn oil rig workers in the South China Sea!
美国太空总署将会无异议地让一个未受训练的家伙登上太空----只要他是在南海上最佳的钻油工人。
NASA will let any untrained bozo go into space without giving an argument---if he happens to be one of the best damn oil rig workers in the South China Sea!
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