05 Dec 2016 立方星的星际旅行 今天，大家所熟知的业余卫星多为立方星。但JPL（喷气推进实验室）已经在为明天的出发做准备：登陆火星。 宇航 bd5rv Please enable JavaScript to view the comments powered by Disqus. comments powered by Disqus
