Traces the progression of our knowledge of the stars and solar system and examines in detail the work of several people who have advanced our understanding of the universe. The book concentrates on Copernicus, Kepler, and Galileo. It also deals briefly with contemporary physicists and astronomers.

Includes index.

Early astronomers -- Nicolaus Copernicus -- Galileo Galilei -- Johannes Kelper -- Astronomers: Past, present, and future -- Glossary -- Index.