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DCCC德頓教會
高舉基督,基於聖經,宣揚福音,分享主愛,充滿主恩.
Tuesday, March 9, 2010
火星任务
用6个月时间把他们送回地球的上升推进器则采用沼气和液氧混合物作燃料。德雷克说:“火星大气里的氧是以二氧化碳的形式出现,因此你可以利用火星的自身资源制造氧气。”他们计划在宇航员到达这颗红星行星前,应该尽可能多地把货物送到那里。德雷克说:“我们把宇航员送往那里以前,应该确保一切运行正常。火星任务跟月球任务不一样,你不能随时返回地球,一旦他们被送往那里,有可能要在那里呆好几年。”
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