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 ...

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 ...

Pluto was always in a tough spot when it came to being a planet. Just 1,477 miles across, it's only one-fifth the diameter of Earth. It did have five known moons: Charon, Nix, Hydra, Kerberos and ...

whose diameter is just over half that of Pluto; Styx; Nix; Kerberos; and Hydra. The majority of Pluto’s atmosphere is reportedly composed of nitrogen gas. Pluto is 40 times further from the sun ...

Pluto, discovered in 1930, was once considered the ninth planet in our solar system. In 2006, the International Astronomical Union reclassified Pluto as a dwarf planet because it doesn't meet all ...

An curved arrow pointing right. See what's so weird about Pluto and its moons. Produced by Emmanuel Ocbazghi. Original reporting by Jessica Orwig. Follow BI Video: On Facebook More from Science ...

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...