Mare Cognitum
Extending 40.46 kilometers across Mare Cognitum, Dorsum Guettard is a lunar wrinkle ridge named after French geologist Jean-Étienne Guettard.
Dorsum Guettard is a lunar wrinkle ridge extending 40.46 kilometers across Mare Cognitum. Located in the Montes Riphaeus quadrangle, it lies at coordinates 9.92°S, 18.26°W.
The feature was named in 1976 after Jean-Étienne Guettard, a French geologist and mineralogist.
The feature is officially named Dorsum Guettard after French geologist Jean-Étienne Guettard.
Jean-Etienne; French geologist, mineralogist (1715-1786).
Interactive Lunar Surface
Inspect lunar elevation data and the official selenographic position.