Sea of Tranquility

English

Alternative forms

• Sea of Tranquillity

Etymology

Calque of Latin Mare Tranquilitātis (spelled with one L), from Latin mare (“sea”)+tranquilitātis (“tranquility”). Coined by Italian Jesuit astronomer Giovanni Battista Riccioli, by labelling a map created by Italian Jesuit optician Francesco Maria Grimaldi, and then published in 1651 in the Almagestum Novum.

Proper noun

the Sea of Tranquility

1. (planetology) A basin in Nearside, Moon, Earth, Solar System; location of the first manned moon landing, in 1969.

Synonyms

• Mare Tranquillitatis

Derived terms

• Tranquility Base

Translations

Translations

• Finnish: Rauhallisuuden meri
• French: Mer de la Tranquillité
• German: Meer der Ruhe
• Italian: Mare della Tranquillità
• Latin: Mare Tranquillitātis n
• Portuguese: Mar da Tranquilidade (pt) m