Map of MareTranquillitatis, cropped from http://www.jpl.nasa.gov/history/60s/Surveyor7_1968.htm. The colored arrows indicate the landing sites of Apollo
is MareTranquillitatis, the Sea of Tranquility. Above the Mare Serenitatis is Lacus Somniorum, the Lake of Dreams, and below and to the left is Mare Vaporum
DescriptionLocation of MareTranquillitatis.jpg The Location of MareTranquillitatis, One of the Lunar Geographical Features. Date 1 December 2007 Source