The following is a list of groups of planets.
“The Fringe Worlds comprise a belt of frontier planets at the farthest reaches of the Terran...Fringe Worlds
“The Core Worlds are a group of planets within the Koprulu sector. The core worlds were...Core Worlds
“The Outer Colonies were planets controlled by the Terran Confederacy. Despite a similar naming...Outer Colonies
“The Centauri Colonies are controlled by the United Earth Directorate. Doran Routhe took shelter...Centauri Colonies
This category has the following 3 subcategories, out of 3 total.