Oblique view of Dorsum Zirkel from Apollo 15, taken at a low sun angle Dorsum Zirkel is a wrinkle ridge at northeast of Mons La Hire in Mare Imbrium on the

Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...

. It is 193 km long and was named after German geologist Ferdinand Zirkel in 1976.Dorsum Zirkel
Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN) Two small craters, La Hire A and B, lie on either side of the dorsum. The large crater Lambert is to the southeast, and the smaller McDonald is to the northeast.

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{{DEFAULTSORT:Zirkel Ridges on the Moon Mare Imbrium