Michael E. Brown is a professor of planetary astronomy at the California Institute of Technology. His 2012 book is called How I Killed Pluto and Why It Had It Coming.
Brown helped discover our solar system’s Kuiper Belt, which is similar to the asteroid belt, but contains up to 200 times more material.
In early 2016, Brown and a colleague – Konstantin Batygin, also at Caltech – described how the similar orbits of six small bodies in the outer solar system could be explained by another major planet in our solar system. They call it Planet Nine. And they’re still hoping to find it.
Bottom line: Cool astronomy livestream on Monday, July 14! EarthSky’s Deborah Byrd will be talking with astronomer Michael Brown, who calls himself “the man who killed Pluto.”
Deborah Byrd (asteroid 3505 Byrd) helps edit EarthSky.org and is a frequent host of EarthSky videos. Deborah created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named in her honor in 1990, a Public Service Award from the National Science Board in 2003, and the Education Prize from the American Astronomical Society in 2020. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.
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