Natural satellite been directly observed, have been called "moonlets". Small asteroid moons (natural satellites of asteroids), such as Dactyl, have also been called moonlets. The upper limit is also vague. Two orbiting bodies are sometimes described as a double planet rather than primary and satellite. Asteroids such as 90 Antiope are considered double asteroids, but they have not forced a clear definition of what constitutes a moon. Some authors consider the Pluto–Charon system to be a double (dwarf) planet. The most common dividing line on what is considered a moon rests upon whether the barycentre is below the surface of the larger
The Adventures of Pluto Nash has killed both Marucci and Runa and established his own criminal enterprise. He also states that he was the one who told his henchmen where Pluto was hiding out due to him also inheriting Pluto's memories. When his henchmen arrive and see both Rex and Pluto, Rex kills Mogan and Kelp for their incompetence. He and Pluto then fight while the others are uncertain which is which. Pluto shoots Bruno, and Belcher (who assumes that Pluto would not damage his own robot) shoots Rex. Pluto orders his men to leave and reveals his identity to Dina by speaking of her