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Jules Verne's fictional adventurer Phileas Fogg may have been more ahead of his time than we thought. It took Phileas Fogg 80 days to circumnavigate the world. 儒勒?凡尔纳的小说中虚构的冒险家菲力斯霍治可能比我们想象的还走在时代的前列。小说中，菲力斯·霍治用了80天环游世界。 Nasa has retired its expensive shuttle missions, and is exploring a cheaper form of space travel - using balloons to travel across the surface of planets and moons. 美国宇航局停止了昂贵的穿梭计划，并开始探索较便宜的形式的太空旅行——用气球来穿越行星和卫星的表面。 The agency is spending $10 million trialing a series of blimps for use in future missions 代理中心花费1千万美金为未来的任务实验一系列的软式小型飞船。 The balloons would be used to transport equipment on unmanned missions. First stop on the list of potential destinations for a balloon is Saturn's biggest moon Titan. 气球在无人的任务会被用来当作运输设备。列表上气球的第一个潜在的目的地是土星最大的卫星泰坦。 To survive there, a balloon, designed by Nasa's Jet Propulsion Laboratory, would have to withstand temperatures around -180C. 为了在那里生存，美国宇航局喷气推进实验室设计的气球必须要经受得起零下180度左右的气温。 | 
