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Mike Brown

Mike Brown

Mike Brown

Mike Brown is the Richard and Barbara Rosenberg Professor of Planetary Astronomy at the California Institute of Technology and has been on the faculty there since 1996. He specializes in the discovery and study of bodies at the edge of the solar system. Among his numerous scientific accomplishments, he is best known for his discovery of Eris, the largest object found in the solar system in 150 years, and the object which led to the debate and eventual demotion of Pluto from a real planet to a dwarf planet.

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Mike Brown's Planets (blog) >

Twitter: @plutokiller

Latest Planetary Radio Appearance

Planetary Radio Live: All These Worlds…

March 22, 2016 • 28:50

Our live conversation about “Planet 9” and the amazing diversity of our solar system, featuring Konstantin Batygin and Mike Brown of Caltech, Senior Editor Emily Lakdawalla, Bill Nye the Science Guy and Cassini Project Scientist Linda Spilker.

Latest Blog Posts

Snow balls in space

December 29, 2013

I don’t get much snow in southern California, but I do spend a lot of my time thinking about college snowball experiences and about the snowball fights that have made the objects of the outer solar system.

Sea Salt

March 06, 2013

Ever wonder what it would taste like if you could lick the icy surface of Jupiter’s Europa? The answer may be that it would taste a lot like that last mouthful of water that you accidentally drank when you were swimming at the beach on your last vacation.

astronaut on Phobos
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