NASA abbr. National Aeronautics and Space Administration (美国)国家航空与航天局【人教版高中英语必修三 unit 4 （单词与全书例句）】

 NASA           
abbr. National Aeronautics and Space Administration
(美国)国家航空与航天局

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1. The Challenger disaster that occurred on 28 January 1986 resulted in the deaths of five NASA astronauts and two specialists.

2.  The American space agency NASA believes that sending people to Mars would cost about US$100 billion, although this estimate is based on bringing them back to Earth, too.

3.  For example, on 5 September 1977, America's NASA space agency launched Voyager 1 to study deep space, and it still transmits data to this day. 

1. 1986年1月28日发生的挑战者号失事导致5名美国宇航局宇航员和2名专家丧生。

2. 美国宇航局NASA认为，将人类送上火星将耗资约1000亿美元，尽管这一估算也包含将人类送回地球的费用。

3. 例如，1977年9月5日，美国宇航局发射了“旅行者1号”探测器，用于深空探测，至今仍在传输数据。