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Mare Serenitatis

American  
[suh-ren-i-tah-tis] / səˌrɛn ɪˈtɑ tɪs /

noun

  1. (Sea of Serenity ) a dark plain in the first quadrant of the face of the moon: about 120,000 sq. mi. (310,000 sq. km).


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Then it will use its main engine to brake for a soft touchdown between Mare Serenitatis and Mare Crisium, two of the dark lava seas on the Earth-facing side of the Moon.

From BBC • Jan. 6, 2022

Bigger questions ride on the magnetometer, which will measure the moon's magnetic field as the probe enters lunar orbit and descends to a landing in Mare Serenitatis, an ancient plain of lava.

From Science Magazine • Mar. 28, 2019

Beresheet will lift off on a SpaceX Falcon 9 rocket from Cape Canaveral, Florida, and should reach Mare Serenitatis, a basaltic plain on the northern hemisphere of the Moon, in April.

From Nature • Feb. 19, 2019

The three biggest mascons, corresponding to Mare Imbrium, Mare Serenitatis and Mare Crisium, are visible on the upper right-hand side.

From Economist • Dec. 19, 2012

Linné.—This small crater lies in the Mare Serenitatis.

From The Story of the Heavens by Ball, Robert S. (Robert Stawell), Sir

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