Birkhoff

Rarity: Common

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Science and technology

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What Wikipedia says

Birkhoff is a giant lunar walled plain that is located on the far side of the Moon, in the northern hemisphere. This class of formation is known as a peak ring basin, which has a single interior topographic ring or a discontinuous ring of peaks with no central peak.

Excerpt from the Wikipedia article “Birkhoff (crater)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: NASA, Public domain, via Wikimedia Commons.