EPISODE · Sep 26, 2019 · 4 MIN
地球转动45亿年的动力源是什么？
from 天文随心听｜讲述宇宙与人的故事
地球大约在45亿年前形成，从形成那一天起，地球就开始自转和公转。直到现在，地球还在一直转动。那么，地球转动的动力源是什么呢？地球在未来会停止转动吗？地球是不是永动机呢？
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地球转动45亿年的动力源是什么？
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