ホーム > Term: age of earth
age of earth
4. 55 billion years. Formed by particles of gas and denser materials once ejected from exploding supernovae and gradually pulled together by gravity.
- スピーチの一部 noun
- 産業/ドメイン 生物学
- カテゴリ 生態学
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作成者
- Surus
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