A former radio astronomer at the California Institute of Technology/cosmology consultant for New Scientist magazine takes readers on a grand tour of our solar system. Profiles on its planets, moons, comets, and other features include scientific data, historical context, and unanswered mysteries. Presented as the first illustrated book created from an iPad application, the volume includes solar system maps and stunning images from space probes. Annotation ©2012 Book News, Inc., Portland, OR (booknews.com)