The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.

地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。

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The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.

地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。

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