金沙国际唯一指定官网

No time in space

作者:曹兔    发布时间:2019-03-07 08:04:10    

Operating and maintaining the International Space Station “might leave ISS flight crews little time for research,” warns a report issued last week by the National Research Council. Although the station’s design was sound, the panel worries that NASA has concentrated so much on building the space station that it has ignored the problems of upkeep and conducting research. Crews on Mir in recent years were kept so busy running and repairing the station that they had little time for research. “NASA has not done sufficient analyses to alleviate this concern,

 

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