Sinus Meridiani

proper noun

An albedo feature on Mars stretching east-west just south of the planet's equator.

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Meanings

proper noun
  1. astronomyAn albedo feature on Mars stretching east-west just south of the planet's equator.

    These pictures reveal, in the bright region west of the Sinus Meridiani, a totally unexpected Marscape of confused terrain that is like nothing man has seen on Earth, moon, or Mars before.

    1969 November, Arthur Fisher, “Science Newsfront: Last-minute news and notes to keep you up-to-date”, in Popular Science, volume 195, number 5, page 22
Cite this entry
APA

Sinus Meridiani. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Sinus%20Meridiani

MLA

“Sinus Meridiani.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Sinus%20Meridiani. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Sinus Meridiani,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Sinus%20Meridiani.

Source: Sinus Meridiani on Wiktionary, CC BY-SA 4.0.