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

An episode of [TED Talks Science and Medicine](https://invisiblenetwork.ai/podcast/470623801), 22 Nov 2019, 14 min.

Audio: https://download.ted.com/products/90076.mp4?apikey=172BB350-0011

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 solar system -- and shows us how traces of its presence might already be staring us in the face.

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