Naming of moons underworld, and Nix (a respelling of Nyx), mother of Charon, is the goddess of darkness and the night. Kerberos is a giant three-headed dog who guards the entrance to the underworld. The fifth moon is named for the river Styx that forms the boundary between the worlds of the living and the dead. The name of Eris's moon Dysnomia was suggested by its discoverer Michael E. Brown, who also suggested the name of the dwarf planet. The name has two meanings: in mythology Dysnomia (lawlessness) is the daughter of Eris (chaos). However, the name is also an intentional reference to
The Dog and the Sheep The Dog and the Sheep The Dog and the Sheep is one of Aesop’s Fables and is numbered 478 in the Perry Index. Originally its subject was the consequence of bearing false witness. However, longer treatments of the story during the Middle Ages change the focus to deal with perversions of justice by the powerful at the expense of the poor. It has sometimes been alternatively titled The Wolf, the Dog and the Sheep in order to distinguish it from the fable of the dispute between the sheep and the dog that guards them (Perry 356). The fable as originally