2. But Copernicus remained in Italy, where he attended the Jubilee of 1500. He also went to Rome, where he observed a lunar eclipse and gave lectures in astronomy and mathematics. In 1497, Watzenrode was ordained Bishop of Warmia, and Copernicus was named a canon at Frombork Cathedral.

3. The lectures were heard with interest by Pope Clement VII and several Catholic cardinals. In 1533, Johann Albrecht Widmannstetter delivered in Rome a series of lectures outlining Copernicus' theory.

4. During his time in Italy, Copernicus visited Rome and studied at the universities of Padua and Ferrara, before returning to Poland in 1503. For the next seven years he worked as a private secretary to his uncle, now the Bishop of Ermland.

5. In 1491, he went to Krakow Academy, now the Jagiellonian University, and in 1496 travelled to Italy to study law.