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The search for our solar system's ninth planet | Mike Brown

The search for our solar system's ninth planet | Mike Brown

Visit http://TED.com to get our entire library of TED Talks, transcripts, translations, personalized Talk recommendations and more. Could the strange orbits of small, distant objects in our solar system lead us to a big discovery? Planetary astronomer Mike Brown proposes the existence of a new, giant planet lurking in the far reaches of our ...

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