astronomy, medieval

Examines the ideological conflict between Galileo's scientic based worldview and the Church which considered such ideas to be heretical.

Examines the life and work of Nicolaus Copernicus, focusing on his revolutionary theories, which changed how people viewed the universe, and explaining why his work was kept secret for more than twenty years and why it was almost never published.

Discusses how medieval people viewed the world before it was widely understood and accepted that the world is round and rotates around the sun.