American Museum of Natural History | Why Isn't Pluto a Planet? @AmericanMuseumofNaturalHistory | Uploaded April 2018 | Updated October 2024, 1 week ago.
Why isn’t Pluto a planet anymore? And what is a planet anyway? Astrophysicist Jackie Faherty explains!

If you’re more of a dinosaur person, check out “Why isn’t Pterodactyl a dinosaur?” here: youtube.com/watch?v=muWYY9qMM1A

#Pluto #Planet #DwarfPlanet #KuiperBelt #SolarSystem #Astronomy #Explainer #Museum #AmericanMuseumofNaturalHistory #HaydenPlanetarium