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Michael E. Brown
Michael E. Brown
(born June 5, 1965) is an American
astronomer
, who has been professor of
planetary astronomy
at the
California Institute of Technology
(Caltech) since 2003. His team has discovered many
trans-Neptunian objects
(TNOs), notably the
dwarf planet
Eris
, the only known TNO more massive than
Pluto
. He has referred to himself as the man who "killed Pluto", because he furthered Pluto being downgraded to a dwarf planet in the aftermath of the discovery of Eris and several other probable trans-Neptunian
dwarf planets
. He is the author of
How I Killed Pluto and Why It Had It Coming
, published in 2010.
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