Steve Squyres, Goldwin Smith Professor of Astronomy at Cornell University, gave the second day keynote address at the 2011 Robert H. Goddard Memorial Symposium. Dr. Squyres discussed in his talk, “The Future of Solar System Exploration,” how to find a programmatic balance among large, medium, and small missions, as well as among the various destinations in the solar system. You can view Dr. Squyres’ talk online: