The Unknown Sectors were large regions of space that were not catalogued by the Guardians of the Universe after their re-organization of the cosmos into the 3600 Space Sectors. As a result, following the formation of the Green Lantern Corps, the peacekeepers of the Oans were banned from entering these regions of space. According to the Guardians, the reasons for the formation of the Unknown Sectors was because of chaotic events as well as time constraints which prevented them from being organized. This led to them being folded into the protected sectors until a further initiative could be made to mapping them though others suspected that the Oans had ulterior motives for not charting this region of space. Due to being outside of the jurisdiction of the Green Lantern Corps, the Unknown Sect