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This book explains Aristotelian astronomy, in connection with his cosmology, physics, and metaphysics. A friendly book, in which the reader celebrates the magni

On the Heavens (Greek: Περὶ οὐρανοῦ, Latin: De Caelo or De Caelo et Mundo) is Aristotle’s chief cosmological treatise: written in 350 BC it cont

"Aristotle believed that the outermost stars are carried round us on a transparent sphere. There are directions in the universe and a preferred direction of rot

Ptolemy's Almagest is one of the most influential scientific works in history. A masterpiece of technical exposition, it was the basic textbook of astronomy for