The Mare Tranquillitatis pit is the name given to an elliptical opening on the Moon's surface in the Mare Tranquillitatis, situated roughly 400 kilometers away from the landing site of Apollo 11. The
Lunar Reconnaissance Orbiter Camera image
Mare Tranquillitatis is a lunar mare that sits within the Tranquillitatis basin on the Moon. It contains Tranquility Base, the first location on another celestial body to be visited by humans.
Mare Tranquillitatis pit
…The Mare Tranquillitatis pit is the name given to an elliptical opening on the Moon's surface in the Mare Tranquillitatis, situated roughly 400 kilometers (250 miles) away from the landing site of Apollo 11. The pit was created by a lunar lava tube, and is currently the…
The Sea of Tranquility of the Moon
The Apollo 11 landing site at center, facing west, with the 22-kilometer-wide Maskelyne crater in right foreground
The Moon with Mare Tranquillitatis highlighted and the first crewed lunar landing marked
Three views of Mare Tranquillitatis, taken by the mapping camera of the 1972 Apollo 17 mission