Orb: On the Movements of the Earth

In the fifteenth century, claiming that the Earth revolves around the sun was a heresy that could get believers burned at the stake. Child prodigy Rafal is introduced to the truth about the universe by his mentor, and then must flee when the Inquisition comes to mete out "God's justice." With only a peculiar pendant to guide him, will Rafal discover his master's research, and can he and other believers set the world alight?