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oct 4, 1957 - 苏联发射第一颗人造卫星

Description:

苏联成功发射“斯普特尼克1号”人造地球卫星，震惊世界，开启了太空竞赛时代。

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5 months ago

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Date:

oct 4, 1957

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~ 68 years ago

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