Moon: Tranquility Base

作者：John van Vliet

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Tranquility Base is a name of the landing site given by Neil Armstrong himself shortly after Apollo 11 made the first crewed lunar landing on July 20, 1969. It is located on the southwestern corner of its namesake region, Mare Tranquillitatis

Buzz Aldrin beside the Passive Seismic Experiment Package, 1969-Jul-21

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