Four astronauts have to stay 1000 days in a space 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.另外两(😪)个(gè )青少年，一个十三岁、一个十(🌷)五岁，十三岁那个叫陈白云，十五岁那个叫陈石头。