The Moon, named after Mongolia

2 named features. The International Astronomical Union records why each name was chosen, and those reasons are printed below exactly as they were approved.

FEATURES · 2

NAME	TYPE	SIZE	WHY THAT NAME
Rupes Altai	rupes	545.2 km	Named from terrestrial Altai Mountains.
Ulugh Beigh	crater	57 km	Ulugh-Beg; Mongolian astronomer, mathematician (1394-1449).

Names and their origins come from the IAU Gazetteer of Planetary Nomenclature (USGS Astrogeology), retrieved 2026-08-14.
All named features ｜ KUON THE MOON map ｜ About the map ｜ Every landing site on the Moon

DATA: IAU / USGS Astrogeology · NASA LRO LOLA