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StarCo by Ludo Coppens                                        © 2014-2023                                   ludo.coppens(at)kineco.be

Select a dorsum  by clicking on the name. Move the mouse over the full scale image of the larger region to show names of prominent surface features and additional data: depth from rim to crater floor and diameter, taken from the Times Atlas of the Moon (Ed. H.A.G. Lewis, Times Newspapers Ltd., 1969; charts available online at http://www.lpi.usra.edu/resources/mapcatalog/LAC/) and from Virtual Moon Atlas (Christian Legrand & Patrick Chevalley).

A dorsum (ENG: wrinkle ridge) is a long (several hundreds of kilometers) but low (up to a few hundred meters) curving or sinuous ridge on a lunar mare. Related to cooling and shrinking mare lava. Often associated with ring-structures in the impact basin beneath the mare surface.

(At right: dorsum near crater Krieger, taken from lunar orbit; © NASA)

Crater Catena Dome Dorsum Lacus Mare Mons Montes Oceanus Promontorium Rima Rupes Sinus Vallis Various Lunar regions

Abenezra Agrippa region Archimedes region Aristoteles region Boguslawski region Bond region Cassini region Catharina region Clavius region Cleomedes region Copernicus region Delisle region Dionysius region Euclides region Euler region Fra Mauro region Gassendi region Herschel Region Hippalus Region Kepler Region Kies region Klaproth region Lacus Mortis region Letronne region Longomontanus region Mare Frigoris region Mare Humorum region Mare Imbrium region Maurolicus region Menelaos region Messier Mons Rümker region Montes Appenines Piccolomini region Pitatus region Plato region Posidonius region Ptolemaeus region Reiner region Rima Ariadaeus Region Rima Hyginus Region Rupes Recta region Schickard region Schiller region Triesnecker region Tycho region Vallis Schröter Region Vitello region Werner region Wrottesley region Wurzelbauer region

Nebulae Messier Nebulae NGC Nebulae IC Nebulae other

M1 M16 M27 M42 M42 wide M97

NGC1499 NGC2174 - NGC2175 NGC2174 (detail) NGC2238 NGC2264 NGC2264 (cone) NGC6820 NGC6820 detail NGC6888 wide NGC6888 NGC6960 NGC6960 detail NGC6992 NGC7000 NGC7000 Cygnus Wall wide NGC7000 Cygnus Wall NGC7380

IC63 wide IC63 IC405 - IC410 IC405 detail IC405 colour IC410 detail IC417 IC434 IC443 IC443 detail IC1318 IC1318-detail IC1396 IC1805 IC1848 IC1848 detail IC2162 wide IC2162 IC2177 IC5070 IC5070 detail IC5146 wide IC5146

Abell 21 B33 Ced214 Ced214 details Jones-Emberson 1 LND1105 Sh2-101 Sh2-101-detail Sh2-112 Sh2-112 detail Sh2-132 Sh2-137 Sh2-155 Sh2-155 detail Sh2-235 Simeis 147

M51 M81 M101 M106