Dorsum Zirkel

Dorsum Zirkel is a wrinkle ridge at 28°06′N 23°30′W / 28.1°N 23.5°W / 28.1; -23.5 in Mare Imbrium on the Moon. It is 193 km long and was named after Ferdinand Zirkel in 1976.

Coordinates: 20°06′N 23°30′W / 20.100°N 23.500°W / 20.100; -23.500