(Paperback)

From ancient world through sixteenth century, astronomers had used geometrical models to give a kinematic account of the movements of the sun, moon, and planets. Johannes Kepler revolutionized this ancient of sciences by understanding astronomy as a part of physics. This book demonstrates the importance of Kepler's physical principles.

(Paperback)

Valued today for its development of the third law of planetary motion, Harmonice mundi (1619) was intended by Kepler to expand on ancient efforts to discern a Creator's plan for the planetary system--an arrangement thought to be based on harmonic relationships. Challenging critics who characterize Kepler's theories of harmonic astronomy as "mystica

(Hardback)