Season 3 · Episode 11
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What Makes a Planet?
Sat, Dec 3, 2016
·
22 min
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.
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Sat, Dec 3, 2016
22 min
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Xploration Outer Space
65 episodes
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S3 · E11
in Xploration Outer Space
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S3 · E12
A Space Station for All
Sat, Dec 24, 2016