人类探索太空的工作,如何可能会给地球的环境造成破坏呢?目前,在环绕地球的轨道上运转着的有200多颗人造卫星,而且计划还要发射更多的卫星。但是,似乎有时无法保证对我们发射进太空轨道的那些东西,能够一直地呆在上边。媒体曾经报道过俄国的一个太空探测器和他国的一颗间谍卫星重返大气层坠毁的消息。俄国的探测器是掉 How can human exploration of space work damage Earth’s environment? At present, there are more than 200 satellites orbiting the earth, and more satellites are planned to be launched. However, there seems to be no guarantee at times that those things that we launch into space orbit will stay on. It has been reported by the media that a space probe in Russia and a spy satellite in another country have returned to the atmosphere and crashed. Russia’s detector is off