Voyages Through the Universe, Second Edition, provides students and professors with the best of both worlds. It is written by two distinguished research scientists (Morrison and Wolff) and an award-winning astronomy educator (Fraknoi). This author team combines the latest science with classroom-tested teaching strategies.Voyages Through the Universe is adopted at a wide range of schools: elite private four-year universities, state schools of all levels, and a variety of two-year schools. It is extremely authoritative and up-to-date as well as approachable and accessible to all students.Besides the full text, volume one (Voyages to the Planets) and volume two (Voyages to the Stars and Galaxies) are now stand-alone, complete texts. This enables instructors to choose the book that best fits their needs for any length course on either or both subjects.