![]() Informal names and names that have been changed are not shown. Over the decades, many informal names have been used on the Moon and some IAU-approved names have been officially changed. The lettered crater names included in the Gazetteer of Planetary Nomenclature, and therefore in this atlas, are found in the definitive source "NASA Catalogue of Lunar Nomenclature" (NASA Reference Publication 1097). The maps shown here include only names that are formally approved by the IAU and are currently in use. These names are of various feature types: catenae, craters, dorsa, fossae, lacūs, landing site names, maria, montes, oceanus, paludes, planitiae, promontoria, rimae, rupēs, lettered craters (called "satellite features" in the gazetteer), sinūs, and valles. Maintains the Gazetteer of Planetary Nomenclature on behalf of the IAU with funding from the National Aeronautics and Space Administration (NASA).Īt the time of this writing, there are 9,003 IAU-approved names in use on the Moon (not including names that have been dropped but are retained in the gazetteer for reference). The Astrogeology Science Center of the U.S. Of Planetary Nomenclature, which is a dynamic listing of IAU-approved planetary surfaceįeature names. Web site are based on the information contained in the Gazetteer ![]() ![]() Internationally recognized authority for assigning nomenclature to planetary surface features. The International Astronomical Union (IAU) is the As new names are approved, they are added to the maps so users have access to the most recent changes in lunar nomenclature. The purpose of the lunar maps presented here is to provide an up-to-date and comprehensive depiction of lunar nomenclature. Index map courtesy of Ben Bussey, adapted from The Clementine Atlas of the Moon, Cambridge University Press.
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