“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 ...

Pluto was named after the Roman deity of the underworld and on the name of the founder of the observatory ... Pluto has five known moons: Charon, the largest, whose diameter is just over half ...

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 ...

There's also the Clarke and Kubrick mountains named for the author (Arthur C. Clarke) and director (Stanley Kubrick) of "2001: A Space Odyssey." There's also Alice for "Alice in Wonderland," Argo ...

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 ...

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 ...