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地球上用肉眼看火星只是一個星點，在火星上看地球也只是一個點

Floor 1 巨大八爪鱼 7/22/15 19:52
Floor 2 巨大八爪鱼 7/22/15 19:52
那麼大的土星和木星，在地球上直接用肉眼看都只是一個點！

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