地球的年龄

in hive-180932 •  last month 

地球的年龄大约为46亿年。科学家通过放射性同位素测定和岩石分析等方法推算出这个时间。在这个时间内，地球经历了从火山活跃期到形成海洋和大气层的漫长演化。

hive-180932 earthage
last month by

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