5 Things You Didn’t Know About Pluto

By: Olivia Schneider | Kristina Guerrero Posted: 4:47 PM, Aug 19, 2019

You’ve known it as a Roman god and also as a Disney character. And since its discovery, Pluto has been called the 9th planet in our solar system. But Kevin Schindler – historian for the Lowell Observatory in Flagstaff – Arizona, explains why we’re not calling it that anymore.