Four astronauts have to stay 1000 days in a spac{Ziyuantun.Com}e station around Earth in order to prove that a trip to Europa, one of Jupiter's moon, is possible. The experience goes well until something happens on earth. 译文(3): 四名宇航员必须在地球周围的空间站停留1000天，以证明前往木星的卫星之一木卫二是可能{资源屯-ziyuantun.com}。这段经历进行得很顺利，直到地球上发生了一些事情。
