Sea of Tranquility

Meaning

Proper Noun

• basin hemisphere, Nearside celestial body, Moon parent body, Earth star system, Solar System; location of the first manned moon landing, in 1969.

Related

Similar words

• Mare Tranquillitatis

Origin

• . 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. The Face of the Moon, , Linda Hall Library