星期三 2025年 11月 19日
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NASA太空人本年首次漫步 太空站外换老化电池

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太空人在太空站外更换电池。

 

美国国家航空航天局(NASA)2名太空人,周五在国际太空站外替换老化电池,是2019年首次太空漫步。太空人近日还有2次漫步任务,而下周的出动将首次由全女班太空人完成。

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执行本次任务的2名太空人。

女太空人麦克莱恩与男同僚黑格,在太空中工作了6小时39分,用锂离子电池换掉3个旧的镍氢电池。他们在第1项任务中克服了一些小困难,其中包括在太空站的一个桁架上安装工具包,以备将来使用。太空站的机械手臂已经完成了大部分繁重的工作,但太空人仍然需要将300磅重,相当于咖啡桌大小的适配器与附件重新连接。

即使当日的任务已完成,太空站仍有更多使用了20年的电池需要更换。美国国家航空航天局正在将48节电池更换为预计将延续太空站剩余寿命的电池。

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据悉,太空站使用太阳能电池板发电,但由于处在黑暗中,无法从太阳获得电力。

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