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提及太空移民，不论宇航员还是幼儿园的孩子们都会有一种失落感。是啊！我们迄今依然只能生活在地球上。虽然美国宇航局（ＮＡＳＡ）在发射卫星、太空探测器和能穿越太阳系的宇宙飞船等方面取得了巨大成就，但自１９７２年以来，人类的足迹并未踏上另外的世界。 但是不久，情况也许就会改变。国际空间站的建设正在进行；“旅行者”号小型宇宙飞船的成功发射已经为人类移民火星吹响了号角；有人甚至设想重登月球。
Mention space immigrants, both astronauts and kindergarten children will have a sense of loss. Yes! So far we still can only live on Earth. Although NASA has made tremendous achievements in launching satellites, space probes and spacecraft that can cross the solar system, humankind’s footprint has not reached a different world since 1972. But soon the situation may change. The construction of the International Space Station is underway; the successful launch of the “Jovial” small spacecraft has sounded the horn of human settlements Mars; some even envisaged the return of the Moon.