Marshall Kimber cleared up a few things about the solar system during his two visits with Ellen. For one, Pluto's not a planet anymore, and secondly, a lot of us have been mispronouncing Uranus all this time.
Good thing the 5-year-old had a few extra minutes to spare. Since it's not often you come across kids who are so incredibly smart and talented at a young age, we thought we'd ask Marshall a few additional questions about life, relationships, traveling and of course, how to become a solar system expert.
Here's what this kid genius had to say…
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