Historical Events
Dialogue Concerning the Two Chief World Systems
Feb 22 Galileo Galilei's book "Dialogue Concerning the Two Chief World Systems" is published comparing the Copernican and Ptolemaic systems and whether the Earth orbits the sun
Feb 22 Galileo Galilei's book "Dialogue Concerning the Two Chief World Systems" is published comparing the Copernican and Ptolemaic systems and whether the Earth orbits the sun