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
Rebellion of the Three Guards of Wu Geng's rebellion and the following dismantlement of the Shang state ended any realistic chances for the Shang dynasty's restoration. Despite this and the proclamation of the Mandate of Heaven which delegitimized the Shang rule, militant Shang loyalism and resistance against the Zhou regime persisted well after the Rebellion of the Three Guards. Around 979 BC, sixty years after the rebellion, war broke out between the Zhou kingdom under King Kang, Chang's successor, and the Guifang of Shanxi and northern Shaanxi. The latter were reportedly supported by Shang diehards under the Earl of Ge, and possibly fought for the