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关于火星和火星人的科幻电影,我们已看过不少。但火星上是否真有生命存在,人类是否能在火星上定居,仍是一个不解之谜。上个世纪以来,各国科学家一直在努力探索……
We have seen many science fiction films about Mars and Martians. Whether or not there is a real life on Mars and whether or not humans can settle on Mars is still a puzzling mystery. Since the last century, scientists from all over the world have been striving to explore ...