Gazetteer of Planetary Nomenclature

The USGS Flagstaff center maintains a Gazetteer index of named features on worlds throughout the Solar System. There’s a set of rules for what you name features (craters, etc.) after. The site also has a set of topgraphic maps of Mars, made using the Mars Observer’s laser altimeter. I found the site reading Oliver Morton’s Mapping Mars, which is a great book on planetary exploration and geology.

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