太空垃圾的困扰

In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris and there is an increasing problem of satellites mysteriously breaking down. With first-hand accounts from astronauts and experts, Horizon reveals the scale of the problem of space junk. Our planet is surrounded by hundreds of millions of pieces of junk moving at 17,000 miles... manjiudeng.com提供免费在线看电影、热血国漫高清无删减完整版 manjiudeng.com为您推荐最新热播电视剧、高清电影在线观看