Forrmer NASA Earth Science Division Director Michael Freilich will examine how space satellites have revolutionized our understanding Planet Earth. Scientists Maria Zuber, MIT Vice President for Research, Laurie Leshin, President, Worcester Polytechnic Institute, and Sara Seager, MIT Professor of Planetary Science and Physics, will discuss scientific discoveries that have changed our understanding of the universe beyond Planet Earth, and questions that still remain unanswered. CNN host S.E. Cupp moderates.