Last Updated :2025/12/07

冥王代

Hiragana
めいおうだい
Proper noun
Japanese Meaning
地球の最初期の地質時代区分である「冥王代(Hadean)」を指す固有名詞。およそ46億年前の地球誕生から約40億年前までの時代を指し、地殻が形成されつつあり、隕石衝突が多発し、生命の痕跡はほとんど確認されていないとされる。
Easy Japanese Meaning
ちきゅうがうまれてすぐの、とてもふるいじだいのなまえ。まだいきものがほとんどいなかったとき。
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The Hadean eon is considered the first era of Earth, lasting from about 4.6 billion years ago to 4 billion years ago.

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the Hadean eon

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冥王代

冥王代は地球の最初の時代で、約46億年前から40億年前まで続いたとされています。

See correct answer

The Hadean eon is considered the first era of Earth, lasting from about 4.6 billion years ago to 4 billion years ago.

The Hadean eon is considered the first era of Earth, lasting from about 4.6 billion years ago to 4 billion years ago.

See correct answer

冥王代は地球の最初の時代で、約46億年前から40億年前まで続いたとされています。

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