English Dictionary

Noachian epoch

固有名詞

The earliest of the Martian geologic epochs, approximately from 3,800 million years ago to 3,500 million years ago, marked by many large impact craters and followed by the Hesperian epoch.

日本語の意味

火星の地質年代の最も初期の時代で、約38億年前から35億年前にあたり、多数の巨大衝突クレーターが存在し、その後ヘスペリアン期へと移行する時代を指す。

During the Noachian epoch, Mars was pelted by massive impacts that shaped much of its ancient terrain.

ノアキアン期（約38億年前から35億年前）には、火星は巨大な衝突を受け、それが古代の地形の多くを形成しました。

意味（1）

The earliest of the Martian geologic epochs, approximately from 3,800 million years ago to 3,500 million years ago, marked by many large impact craters and followed by the Hesperian epoch.

the Noachian epoch （ canonical ）