Offworld Expedition Hub
Concept · Stellaris 4.5.2
Offworld Expedition Hub in the Stellaris encyclopedia: This center coordinates freelance expeditions to a nearby Molten World, where enterprising prospectors may uncover valuable Volatile Motes and Living Metal.
Offworld Expedition Hub in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
This center coordinates freelance expeditions to a nearby Molten World, where enterprising prospectors may uncover valuable 
Volatile Motes and Living Metal.
Source: common/game_concepts (concept_offworld_expedition_hub) and localisation/english, Stellaris Cygnus v4.5.2 (9776).