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Mare Serenitatis

[ suh-ren-i-tah-tis ]

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).


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Example Sentences

The Mare Serenitatis is encircled by mountain ranges to a greater extent than any of the other lunar "seas."

They border the dark, oval plain of the Mare Serenitatis on its northeastern side.

Mount Argus, at the southwest corner of the Mare Serenitatis, is a very wonderful object when the sun has just risen upon it.

There, they wrinkled whole seas, for instance, Mare Serenitatis.

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mareroMare Sirenum