Astronomer Mike Brown on Discovery of 9th Planet
Clip: 5/16/2016 | 14m 20sVideo has Closed Captions
Astronomer Mike Brown may have found a replacement planet for Pluto.
He's best known for having killed Pluto, but astronomer Mike Brown may have found a replacement planet in the outer reaches of our solar system and it forms the basis of a new Adler Planetarium show.
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Astronomer Mike Brown on Discovery of 9th Planet
Clip: 5/16/2016 | 14m 20sVideo has Closed Captions
He's best known for having killed Pluto, but astronomer Mike Brown may have found a replacement planet in the outer reaches of our solar system and it forms the basis of a new Adler Planetarium show.
Problems playing video? | Closed Captioning Feedback
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