Michael E. Brown is an American astronomer known for his significant contributions to the field of planetary science. He is particularly recognized for his discovery of several trans-Neptunian objects, including Eris, which is one of the largest known dwarf planets in the Solar System and was instrumental in the debate over the definition of a planet. Brown has also played a key role in the discovery of other notable celestial bodies, such as Sedna and Haumea.
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