第九百三十二章 太空的竞争
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修复太空中的卫星!
很多卫星,在发射进入轨道之后,由于各种原因,比如动力装置故障,太阳能电池板无法展开,观测系统故障等等,导致无法正常工作。龙腾小说ltxsba.com
以往的时候,这种卫星就算是废了,一枚卫星,加上发射费用,价值好几亿,就全部都打了水漂!
所以,当初建造航天飞机的时候,就有这样的使命,航天飞机后面有货舱,可以把人造卫星捕获到货舱里面来,维修完毕,然后再发射出去!一次的维修费用,就是几百万美元而已,却能够让卫星起死回生。
当然,现在为止,这些都是理论上的,实际如何,还有待验证。
此时,在航天飞机的驾驶舱后面的气闸室里,穿好了舱外航天服的航天员纳尔逊,深深地呼吸了一口气,向着对面的玻璃里,做了个手势。
气闸舱里发出一股嘶嘶的声音,气流迅速散尽,和外界达到了相同的真空状态。
重新检查了一下自己身后的连接装置,纳尔逊两脚一蹬,离开了气闸室,外面,就是浩瀚的太空!
太空行走!是难度系数相当高的一种舱外活动!稍有不慎,如果被遗失在太空中,那就只剩下几个小时的生存时间而已!
呼吸着背部的氧气罐里面的氧气,纳尔逊带着抓紧连接装置,靠近了那枚需要修理的卫星旁边,他几次操作,也未能如愿,这个抓紧装置难以咬紧卫星突起部分,他失败了。
“纳尔逊,回来吧,我们尝试第二套方案。”耳机里传来了无线电的声音。
看着侧面的舷窗,航天员哈特操纵着手里的操作杆,外面,航天飞机的侧面伸出了一个长达15米加拿大生产的机械臂,他要用这个机械臂,去抓卫星!
机械臂很细,如果在地面上,这个机械臂恐怕连自身的重量都无法承担好,但是,在失重的太空中,这个机械臂,却可以轻松地抓获10吨的卫星!它需要的不是力气,而是灵活性。
可是,那枚卫星是在旋转的,跟刚刚的纳尔逊一样,哈特失败了,如果硬来的话,机械臂很可能会将卫星彻底地弄爆!
“抓住它的帆板之间!”继续在一旁观察的纳尔逊,敏锐地观察到了最合适的位置,在他的指挥下,哈特终于再次操作机械臂,慢慢地插入卫星两块太阳帆板之间,终于逮住了卫星!
成功回收!
机械臂缓缓回来,同时,航天飞机中部巨大的货舱,舱门已经打开,机械臂将这枚卫星,成功地回收到了货舱里!
跟着飘回来纳尔逊,进入了货舱,此时,头顶的货舱门,已经慢慢地关闭,这次回收,圆满成功!
放下抓紧连接装置,纳尔逊换上了太空专用的动力改锥,准备拆解这枚卫星,看是什么地方出了故障,同时,另一名航天员霍夫坦,也跟着飘了进来。
但是,当准备开工的时候,霍夫坦却突然说道:“这枚卫星,不是某些电路老化导致的,它是被攻击了!”
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