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Wikipedia definition
1. Mare SpumansMare Spumans is a lunar mare located just south of Mare Undarum on the lunar near side. It is one of the many elevated lakes contained in the Crisium basin, surrounding Mare Crisium. The surrounding basin material is of the Nectarian epoch, while the mare basalt being of the Upper Imbrian epoch. The crater Apollonius W is located on the western rim of the mare. This crater is white and surrounded by a well-defined ray system.
Read “Mare Spumans” on English Wikipedia
Read “泡の海” on Japanese Wikipedia
Read “Mare Spumans” on DBpedia

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