Quiz

1. How did Copernicus, Tycho, and Kepler challenge the Earth centered model?
2. What are Kepler's three laws of planetary motion?
3. How did Galileo solidify the Copernican revolution?
4. How can we distinguish science from nonscience?
5. What is a scientific theory?
6. In what sense is the moon imperfect?
7. Why did Kepler use ellipses instead of circles?
8. When was Tycho Brahe born?
9. When was Johannes Kepler born?
10. When was Galileo Galilei born?