Arizona Science

Dr. Malhotra has revolutionized our understanding of the history of the solar system by using the orbital interaction between Pluto and Neptune to infer large-scale orbital migration of the giant planets and to predict the existence of the "Plutinos" and other small planets in resonance with Neptune. In this Episode: David A. Raichlen, Ph.D., Associate Professor School of Anthropology, University of Arizona; Tim Swindle, Ph.D, Director and Department Head of the University of Arizona's Lunar and Planetary Laboratory