Dorsa on The Moon
39 named features carry the IAU descriptor Dorsum — a ridge on The Moon, out of 184 in the mapped Solar System.
Named
39
of 2,023 named places on The Moon — 1.9%
Largest
369 km
Dorsum Buckland
Median size
103 km
Across the 39 with a measured diameter
Named between
1973–1979
IAU approval dates
How dorsa on The Moon get their names
The IAU assigns each feature class on each world a naming theme. Across the 39 dorsa with a recorded origin, 13 categories appear, led by Great Britain.
Great Britain8American6Germany5Switzerland4Soviet3Italy3France3Scotland2
All 39 dorsa on The Moon
Every one has its own page, on the surface it sits on.
Dorsum Buckland369 kmDorsum Oppel298 kmDorsa Ewing262 kmDorsa Smirnov222 kmDorsa Geikie218 kmDorsa Harker213 kmDorsum Zirkel195 kmDorsa Burnet195 kmDorsa Tetyaev188 kmDorsum Von Cotta183 kmDorsa Lister180 kmDorsum Heim147 kmDorsa Mawson143 kmDorsa Whiston139 kmDorsa Cato129 kmDorsa Aldrovandi127 kmDorsum Grabau124 kmDorsa Barlow113 kmDorsum Scilla108 kmDorsum Azara103 kmDorsum Cloos103 kmDorsa Rubey101 kmDorsum Arduino99.7 kmDorsum Cayeux95.1 kmDorsa Argand91.9 kmDorsum Termier89.6 kmDorsum Cushman85.7 kmDorsum Bucher84.7 kmDorsa Dana82.3 kmDorsa Andrusov81 kmDorsa Sorby76 kmDorsa Stille66.3 kmDorsum Gast64.9 kmDorsum Higazy63.1 kmDorsum Niggli47.8 kmDorsum Nicol43.7 kmDorsum Guettard40.5 kmDorsum Owen33.5 kmDorsum Thera7.2 km
Dorsa elsewhere in the Solar System
The same descriptor is used on 7 other worlds, for 145 more features.