Thousands of years ago, people first observed a correlation between the heavenly bodies and events on Earth. Out of these early observations and subsequent refi

On the Revolutions of the Celestial Spheres is an unchanged, high-quality reprint of the original edition of 1473. Hansebooks is editor of the literature on dif

An analysis of the astronomer's pivotal sixteenth-century work traces how his challenge to beliefs about an Earth-centric solar system had a profound influence

Controversial at the time, Copernicus's discoveries led to the scientific revolution, and a greater understanding of our place in the universe. An accessible, a