Callistoan catenae (crater chains) are named after rivers, valleys, and ravines in myths and folktales of cultures of the Far North[1] (all current names come from Norse mythology).
Faculae (bright spots) on Callisto are named after characters related to frost, snow, cold, and sleet from myths and folktales of people of the Far North.[1]
Facula
Named after
Kol, Icelandic frost or storm giant
Large ring features[]
The enormous impact-related ring features on Callisto are named after places (other than rivers, valleys and ravines) from myths and folktales of the Far North.[1]
