|There is more information available on this subject at Pluto on the English Wikipedia.|
Pluto, formal designation 134340 Pluto, is a celestial object in the Sol system, and the second-largest known dwarf planet (after Eris) as well as the tenth-largest body observed directly orbiting Sol.
Several military and scientific stations orbit Pluto.
- Halo: Ghosts of Onyx (First appearance)
- Halo: Evolutions - Essential Tales of the Halo Universe