Why is Pluto not a Planet?

For 76 years, Pluto was considered out solar system's ninth planet. So what caused it to lose its planetary status? Find out on this episode of "Space, Down to Earth"!

Space, Down to Earth

About this Show

In this animated video series, we break down and explain some of the mysteries and complexities of our solar system. We answer the questions you’ve been having, but were too afraid to ask. Our sun won’t last forever, so what happens when its light goes out? Why does Saturn have a ring? How will we stop an asteroid from hitting earth? We’re bringing space, down to earth.

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