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嫦娥四号成功发射！欧阳自远告诉你月亮背面的秘密
source link: https://tech.sina.com.cn/d/s/2018-12-08/doc-ihmutuec7236420.shtml
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来源：中国科学院国家天文台编者按：尽管人类探月已有六十多年，但截至目前，还没有任何一个航天器在月球背面着陆。今晨，我国发射的嫦娥四号探测器，将实现人类首次月球背面着陆探测。下面让我们跟随欧阳自远院士的讲述，一起来了解一下月亮背面的秘密。为什
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