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目前各种各样的太空垃圾有百万件,而且还在以每年2%~5%的速度增加。它们不仅污染太空,而且造成太空碰撞事故。人类该如何处理它们呢?
At present, there are a million pieces of various kinds of space junk, and they are still increasing at a rate of 2% -5% annually. They not only contaminate the space, but also cause space collisions. How should humans deal with them?