On This Day: Johannes Kepler confirms his previously rejected discovery of the third law of... (1618)

On May 15, 1618: Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).

This historical event can serve as a powerful sermon illustration about God's creation and human discovery. Consider using it when preaching about discovery.