Europa is slightly smaller than Luna and is primarily made of silicate rock whith a water-ice crust. It has a very thin atmosphere, composed primarily of oxygen.
Pastor Anna Volovodov worked at St. John’s United congregation of Methodists on Europa, which consisted of less than a hundred people, before she was chosen to be a part of UNN Thomas Prince's religious delegation to the Ring.
- As early as 1995, NASA's Galileo Mission, was able to determine a salty water filled ocean existed under a frozen crust. The presence of water, may have be a strong reason why a colony was founded at that site in Expanse universe.
- Europa was a Phoenician princess who was abducted and taken to Crete by Zeus in the form of a bull where she bore him three children.
- Europa (moon) on Wikipedia