Hesperian epoch

proper noun

The second of the three Martian geologic epochs, approximately from 3,500 million years ago to 1,800 million years ago, marked by lava flows, preceded by the Noachian epoch, and followed by the Amazonian epoch.

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Meanings

proper noun
  1. The second of the three Martian geologic epochs, approximately from 3,500 million years ago to 1,800 million years ago, marked by lava flows, preceded by the Noachian epoch, and followed by the Amazonian epoch.

Origin

Named for the Hesperia Planum

Full word history & related roots →
Cite this entry
APA

Hesperian epoch. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Hesperian%20epoch

MLA

“Hesperian epoch.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Hesperian%20epoch. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Hesperian epoch,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Hesperian%20epoch.

Source: Hesperian epoch on Wiktionary, CC BY-SA 4.0.