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Noachian epoch

Noachian epoch proper noun: 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.

Proper noun

the Noachian epoch

  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.

Origin of Noachian epoch

Named for Noachis Terra.

Questions about Noachian epoch

What does Noachian epoch mean?
Noachian epoch means 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.
What part of speech is Noachian epoch?
Noachian epoch is a proper noun.

Words near Noachian epoch in the dictionary

  1. noa
  2. NOAA
  3. NOAA Corps
  4. NOAC
  5. Noachian
  6. Noachian epoch
  7. Noachic
  8. Noachical
  9. Noachide
  10. Noachides
  11. Noachite

Source and license

Adapted from Wiktionary: Noachian epoch (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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