概述：Four astronauts must stay at the space station orbiting Earth for 1000 days to prove that one of Jupiter's moons, Europa, is possible. Before something happened on Earth, this experience had been very smooth.
Four astronauts must stay at the space station orbiting Earth for 1000 days to prove that one of Jupiter's moons, Europa, is possible. Before something happened on Earth, this experience had been very smooth.展开
