83 Leonis system

	Menthar Corridor; (Star Chart)
History of the Corridor
	Local History; Starfleet Missions;
Political Powers
	Current Cardassian Union; Breen Confederacy; Tholian Assembly; Kubarey Confederation; Talarian Republic; ; Historical Ancient Alliance; ;
Local Species
	Myr Luuk; Community; Peppalexans; Va Wreth;
Planetary Systems
	Kubarey Territory Rho Aurigae system; ; Politically Unaffiliated 83 Leonis system; Alpha Chionus system; Beta Scuti system; Eta Corvi system; JB-437 system; Nygel system; Vega Sirenti system; Zeta Equulei system; ;
Commercial Hubs
	Menthar Anchorage;
Federation Presence
	Deep Space 10; Task Force 105;
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The 83 Leonis system is a binary star system in the Menthar Corridor that was once home to a pre-warp civilization before the eruption of a supervolcano in 2390.

System Layout: 83 Leonis Alpha-83 Leonis Beta · I · II · III · IV · V

Stars

83 Leonis Alpha:

83 Leonis Beta:

Planetary System

83 Leonis I:

83 Leonis II: The Federation and Starfleet had been covertly observing a pre-warp agrarian culture on the planet when geophysicists confirmed in 2390 that a supervolcano would erupt, triggering an ice age and causing mass extinctions. The USS Mercury was dispatched to rectify the situation, but the situation was more complicated than it had first appeared. Ultimately, the eruption was not averted, but disturbing implications were discovered by the crew that pointed toward artificial tampering with both the planet's geological stability and the local species' genetic development.

83 Leonis III:

83 Leonis IV:

83 Leonis V: