Published Jul 28, 2020
How Many Planets Are There?
Gary Arndt examines the evolving definition of what constitutes a planet by tracing Pluto's journey from a recognized planet to its status as a dwarf planet, exploring ancient and modern shifts in planetary classification, and uncovering the impact of the Kuiper Belt and other celestial discoveries on our understanding of the solar system.
Topics covered
Popular Clips
Episode Highlights
Related Episodes
Exoplanets
Answers 383 questionsPlanet Nine
Answers 383 questionsPlanet X
Answers 383 questionsExoplanets (Encore)
Answers 383 questionsUranus
Answers 383 questionsThe Planet Saturn
Answers 383 questionsThe Planet Mercury
Answers 383 questionsAsteroids
Answers 383 questionsHow Many Countries Are There?
Answers 383 questionsJupiter: The Biggest Planet in the Solar System
Answers 383 questionsPlutonium
Answers 383 questionsNeptune
Answers 383 questionsHow Do Satellites Work?
Answers 383 questionsHow Worried Should We Be About Asteroids?
Answers 383 questionsCould There Be Extraterrestrial Life In Our Solar System?
Answers 383 questions