The Moon, named after Finland

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

FEATURES · 4

NAME	TYPE	SIZE	WHY THAT NAME
Donner	crater	55.1 km	Anders Severin; Finnish astronomer (1854-1938).
Sundman	crater	41 km	Karl Frithiof; Finnish astronomer (1873-1949).
Virtanen	crater	39.7 km	Artturi Ilmari; Finnish agricultural biochemist; Nobel laureate (1895-1973).
Väisälä	crater	8.1 km	Yrjo; Finnish astronomer (1891-1971).

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