Keith murray , a laser physicist at nasa ' s langley research center in hampton , virginia , is working on a more elegant approach 在弗吉尼亚州汉普顿市的美国国家航空和宇宙航行局的兰利研究中心就职的激光物理学家基思?默里正致力于研究出一种更适宜的方法。
Curiously , soviet scientists have discovered what they call " age - old instruments used in navigating cosmic vehicles " in caves in turkestan and the gobi desert 好奇地，苏联科学家已经发现他们所说的“古代用于宇宙航行的飞车器具” ，深陷在土耳其斯坦和戈壁沙漠里。
The brushless dc current motors can be widely applied to electronical printing , aerospace , navigation , aviation , radio communication , test , measurement and mining , etc . 因而，在电子印刷、宇宙航行、航海、无线电通信、检测、测量、采矿及化工等特殊场合中得到广泛的应用。
For the second time , nasa was forced to scrub the launch of the space shuttle discovery because of weather . nasa says they will try again on the 4th of july 由于天气的原因，美国国家航空和宇宙航行局不得不第二次取消了发现号宇宙飞船的发射。国家航空和宇宙航行局称，他们将于七月四日再做尝试。
A crack was found in the shuttle ' s insulating foam , and nasa is trying to figure out if they can go ahead with the plan for the july launch which has already been delayed twice 在飞船的绝缘泡沫塑料上发现一道裂缝，国家航空和宇宙航行局正试图决定他们是否还要进行七月的发射，这次发射已经延期两次了。
Professional astronaut besides should operate in astronavigation drive spacecraft , arrive even outside cabin execute a few special missions , if have outer space , walk , discharge or repair a satellite to wait 职业宇航员除了要在宇宙航行中操纵驾驶宇宙飞船，还要到舱外执行一些非凡的任务，如进行太空行走、施放或修理卫星等。
On october 31st america ' s national aeronautics andspace administration ( nasa ) announced that it would further expand man ' s knowledge of the universeby allowing astronomers to repair and upgrade the telescope that is named after him 10月31日国家航空和宇宙航行局宣布为了拓展人们对宇宙的认识，将允许宇航员对哈勃望远镜进行修复和升级。
Nasa administrators deemed that future shuttle flights would be allowed to go only to the international space station , where astronauts could take shelter and await rescue , should the shuttle be damaged on launch 国家航空和宇宙航行局的负责人认为将来航天飞机只允许飞往国际空间站，一旦飞机在发射中被损坏，宇航员可以在那里找到庇护并等待救援。
Nasa ' s cassini spacecraft recently captured these images ( taken in visible light [ left ] and infrared ) of a massive hurricane - like storm at saturn ' s south pole , the first such phenomenon ever spotted on another planet 国家航空和宇宙航行局( nasa )的卡西尼与太空船最近拍到了这些图片(左图是可见光,右图是红外线) ,反映出土星南极一次巨大的飓风.这是首次在另外的行星上拍到类似画面
