在1999年，他也是相当意外地被选为美国航空宇航局天体生物学研究所的第一任所长。
He was also chosen quite unexpectedly, in 1999, to be the first director of NASA's Astrobiology Institute.
由美国航空航天局戈达德太空研究所(GISS)发布的这份草案文件是对某些专家关于气候变暖趋势在近十年已经平缓主张的坚决驳斥。
The draft paper released by Nasa's Goddard Institute for Space Studies is a rebuff to claims by some experts that the warming trend had flattening out in the current decade.
在最近辛辛那提举行的美国航空航天联合推进技术研究所大会上，中国让外界得以一窥其在冲压发动机方面的多个进展。
The Chinese allowed a peek into multiple aspects of their scramjet efforts at the recent American Institute of Aeronautics and Astronautics Joint Propulsion Conference in Cincinnati.
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