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The 'pluto Killer' Who Thinks He's Found the True Ninth Planet


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Mike Brown, Caltech

Mike Brown stands for a portrait in front of an artist portrayal of Planet Nine.

Credit: Patrick T. Fallon for The Washington Post

Mike Brown is an astronomer at Caltech who's been instrumental in the discovery of more than 30 dwarf planets and asteroids at the far reaches of our solar system.

From The Washington Post
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