Galileo is thwarted in his pursuit to uncover the universe's mysteries by a lack of money, a lazy brother and a jealous rival. Luckily, he finds support from his student, Prince Cosimo, son of the Medici family.

The account of the great Galileo is presented in fictionalized fashion, and focuses on the relationship between Galileo and his apprentice, Cosimo de Medici II, Grand Duke of Tuscany. Many of Galileo's discoveries are illustrated, such as his revolutionary gravitational idea that all objects, regardless of their weight, fall at the same rate of speed.—Jwelch5742