. . "satellite of Pluto" . . . . . . . "Pluto I Charon" . . "Charon (moon)" . . . . . . . "this animation" . . . "Charon" . "actual planetoid" . "Charon (moon)" . . . "P I Charon" . . . . . . . . . . . . "Charon (moon)#Discovery" . . . . . "Butler Mons" . . . "Charon (moon)#Observation and exploration" .