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Michael E. (Mike) Brown
Michael E. (Mike) Brown
Richard and Barbara Rosenberg Professor of Planetary Astronomy; Terence D. Barr Leadership Chair, Center for Comparative Planetary Evolution; Director, Caltech Center for Comparative Planetary Evolution
Expertise
The Solar System; planetary evolution; planetary science, Planet Nine.
Profile
Brown is the "Pluto Killer" whose discovery of Eris led to Pluto's demotion to a dwarf planet. Together with Konstantin Batygin, he has proposed the existence of an as-yet-undiscovered ninth planet in the Solar System, and continues to use computer modeling and orbital dynamics to constrain the location and size of the missing planet.
Languages Spoken
English;
Japanese;
Russian;
Faculty Bio
A.B., Princeton University, 1987; M.A., University of California, 1990; Ph.D., 1994. Visiting Associate, Caltech, 1995; Assistant Professor, 1997-2002; Associate Professor, 2002-04; Professor, 2005-2008; Rosenberg Professor, 2008-; Barr Leadership Chair, 2021-, Director, 2020-.
Caltech Affiliations
Director, Caltech Center for Comparative Planetary Evolution
Related News
Table Salt Compound Spotted on Europa
June 12, 2019
New insight on Europa's geochemistry was hiding in the visible spectrum.
More Support for Planet Nine
February 27, 2019
Mike Brown and Konstantin Batygin offer further clues about Planet Nine.
Planet Nine from Outer Space
Read more news
November 28, 2016
In the Richard C. Biedebach Memorial Lecture, Konstantin Batygin will present the case for Planet Nine.