Theonax's surface is covered by water and ammonia-hydrate ices, which are constantly repaved by cryovolcanic processes. The world's size and density suggest the core contains heavier elements, and retains much of the heat of the system's formation.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.