“太空垃圾,人类妈妈喊你回家吃饭!”这或许经历过九月和十月两次报废卫星“回归”地球最想说的话,当然,没人愿意它们真的回家。如果知道每时每刻自己头顶的天空中发生的事情,恐怕你会彻夜难眠。54年前,第一颗卫星——俄国的史波尼克号(Sputnik)——进入了轨道。在迄今的半个多世纪中,它绝大部分时间 “Space junk, human mother calls you to go home for dinner! ” This may have experienced the two satellites scrapped in September and October “return to” the Earth want to say, of course, no one wants them to really go home. If you know what’s happening in the sky above your head every moment, I’m afraid you will sleep awake all night long. 54 years ago, the first satellite, Sputnik of Russia, entered orbit. It has been most of the time in more than half a century so far