and potentially led to the formation of Pluto's smaller moons — Nix, Styx, Kerberos, and Hydra. Bill McKinnon, a planetary scientist at Washington University in St. Louis, praised the theory ...

Scientists went over the questions of Pluto’s moons for years and Nix, Hydra, Kerberos, and Styx being smaller than Charon. Open the Youtube video One theory was that Pluto got its moon system ...

It did have five known moons: Charon, Nix, Hydra, Kerberos and Styx, all names for figures in Greek mythology associated with the underworld. But Charon was half the size of Pluto itself ...

Pluto has five known moons: Charon, the largest, whose diameter is just over half that of Pluto; Styx; Nix; Kerberos; and Hydra. The majority of Pluto’s atmosphere is reportedly composed of ...