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
Beyond the Gates of Splendor also produced with the same name in 1967. One year after "Gates" was published, the first successful peaceful contact with the Huaorani tribe was made. In the years that followed, many Huaos were converted to Christianity and changed their lifestyle. Therefore, "Beyond the Gates" recounts the unfolding story up unto the present day. The film also included new information that has since come out about the Palm Beach Massacre through communication with the Indians. "Beyond the Gates" was very influential in the production of the drama film "End of the Spear", which was released four years later. Many of the