Astronomer and author who discovered many dwarf planets in our solar system, including Eris and Sedna, and is known for challenging the definition of a planet.
Michael E. Brown, an American astronomer, is famously known for his role in redefining the term "planet" and subsequently downgrading Pluto from its planetary status. Brown's discoveries, particularly the dwarf planet Eris, led to a heated debate among astronomers, earning him the nickname "the man who killed Pluto."
Born on June 5, 1965, in Huntsville, Alabama, Brown grew up with an innate curiosity about the universe. He graduated from Virgil I. Grissom High School in 1983 and went on to earn his A.B. in physics from Princeton University in 1987. At Princeton, he was a member of the prestigious Princeton Tower Club and completed his senior thesis under the supervision of Edward Groth. Brown then pursued his graduate studies at the University of California, Berkeley, earning an M.A. degree in astronomy in 1990 and a Ph.D. degree in astronomy in 1994.
Brown is credited with the discovery or co-discovery of 29 minor planets, excluding Haumea. His surveys for distant objects orbiting the Sun have led to the discovery of numerous transNeptunian objects (TNOs). Some of his most notable discoveries include:
In 2012, Brown was awarded the Kavli Prize, shared with Jane Luu and David C. Jewitt, for his contributions to the discovery and characterization of the Kuiper Belt and its largest members. This work led to a significant advance in our understanding of the history of our planetary system.
Brown has received numerous awards and honors for his contributions to the field of astronomy, including:
Brown is the author of the book "How I Killed Pluto and Why It Had It Coming," published in 2010. This memoir provides a personal account of his journey and the events leading up to the reclassification of Pluto.
Brown's work has not only reshaped our understanding of the solar system but has also had a significant impact on modern society. His discoveries have inspired a new generation of astronomers, scientists, and explorers, sparking a renewed interest in space exploration and the study of our celestial neighbors.
Brown's work has also led to philosophical debates about the nature of classification and the importance of clarity in scientific language. His advocacy for a clear definition of a planet has promoted a deeper understanding of the complexities of our solar system and the importance of precision in scientific communication.
Michael E. Brown's contributions to astronomy have secured his place in the annals of history. His work has paved the way for future generations of astronomers, ensuring that our understanding of the universe continues to evolve and expand. As we continue to explore the vast expanse of space, Brown's legacy serves as a reminder of the importance of curiosity, precision, and innovation in the pursuit of knowledge.
Today, Brown remains a prominent figure in the astronomy community, continuing to explore the depths of our solar system and inspiring new generations of scientists and explorers.