二十八年前,世界第一颗人造卫星开创了人类征服太空的新时代。也就从那时起,太空里的人造“垃圾”与日俱增。这主要是由于两个超级大国在离地球一百公里以上、广袤无垠的太空加紧军备竞赛和争夺的结果,把“洁净无瑕”的“玉宇”搞得乌烟瘴气。 Twenty-eight years ago, the world’s first satellite launched a new era of human conquest of space. Since then, man-made “junk” in space has been on the increase. This is mainly due to the result of the arms race and competition intensified by the two superpowers over a hundred kilometers from the earth and in the vast expanse of space to make the “clean and flawless” “Yu Yu” unproductive.