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半个世纪过去了,人类登月的交通工具有何不同?

 4 years ago
source link: https://news.cnblogs.com/n/628544/
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科技日报记者 付毅飞最近,美国华盛顿的夜晚,多了一道风景。一周来,每晚21点30分开始,华盛顿纪念碑上都会出现土星五号运载火箭的动态投影。两座丰碑的交融,为纪念“阿波罗”载人登月50周年增添了壮美景观。1969年7月21日世界时2点56分,美国宇航员借助土星五号

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