The world of Eberron spins within the The Material Plane The Material Plane was created from the bodies of the three progenitor wyrms, and is enfolded by three coexistent transitive planes: the Astral Plane, the Ethereal Plane, and the Plane of Shadow. The other are adrift within the Astral Plane, and orbit Eberron's seat within the Material Plane. As each of these plane's orbits bring it closer or father from the Material Plane, it affects the Material Plane in unique ways