Pluto Was a Planet

Mike Brown, Professor of Planetary Astronomy at the California Institute of Technology, talks about the firestorm of controversy ignited when the planet Pluto was demoted to a "dwarf" planet. How I Killed Pluto and Why It Had It Coming is an account of the most tumultuous year in modern astronomy-which he inadvertently caused--and explains important scientific concepts and inspires us to think about our place in the cosmos.