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各国发射了那么多卫星,发射数量有没有饱和点?会相撞吗?
哪个国家发射卫星,哪个国家准备发射卫星,我们经常能听到这样的新闻,想要算清楚人类一共发射了多少卫星是一件不容易的事,那么发射了这么多卫星,密度会不会已经很大了,那卫星之间会不会出现相撞的问题,卫星的发射数量会不会存在一个饱和点呢,未来还会有更多的卫星 ...
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