Season
Season 5 Episode
- Season 3 Citizen Science
- Season 3 Surviving Space
- Season 3 Engineering in Space
- Season 3 A Satelite's Eye View
- Season 3 Art of Space
- Season 3 Who Owns Space?
- Season 3 Stories from Space
- Season 3 #StudentAstronaut Contest
- Season 3 Space Bots
- Season 3 The Space Shuttle Years
- Season 3 What Makes a Planet?
- Season 3 A Space Station for All
- Season 3 Moon vs. Mars
Xploration Outer Space - Season 3 Episode 11 What Makes a Planet?
7.00 20 minutes We’ll explain why Pluto is no longer considered a planet, and why some scientists believe there is another planet in our solar system that hasn’t been discovered yet. Host Emily Calandrelli looks at many objects that, regardless of definition, look like new and fascinating planets.
