Key factions include the Custodians (Gondviselők), Anunnaki , Dracos , and civilizations from Mars, Venus, and Jupiter.
(often associated with the book Terra-Infinita, Extraterrestrial Worlds and Their Civilizations by Nos Confunden) is a popular subject in "alternative history" and cosmology circles. It describes a world-building concept where Earth is just one of many "cells" or "domes" on a much larger, infinite plane. Review of the Terra-Infinita Concept Terra-infinita Pdf