Dorsum Guettard is a wrinkle-ridge at 10°00′S 18°00′W / 10.0°S 18.0°W / -10.0; -18.0 in Mare Cognitum on the Moon.
It is 40 km long and was named after French geologist and mineralogist Jean-Étienne Guettard in 1976.
[1] This article related to the Moon is a stub.
You can help Wikipedia by expanding it.