Galileo Galilei published his theory of the movement of planets in "Dialogue Concerning the Two Chief World Systems," an attack on the Ptolemaic conception of the Sun's motion as well as an exposition of his new theory to replace it.
Galileo Galilei published his theory of the movement of planets in "Dialogue Concerning the Two Chief World Systems," an attack on the Ptolemaic conception of the Sun's motion as well as an exposition of his new theory to replace it.