Evidence of a Ninth Planet

Caltech’s Konstantin Batygin, an assistant professor of planetary science, and Mike Brown, the Richard and Barbara Rosenberg Professor of Planetary Astronomy, discuss new research that provides evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. Read the Caltech News Story: Learn more about: - Konstantin Batygin’s research: ~kbatygin - Mike Brown’s r