Across
- 3. Who invented the telescope?
- 4. Who realized that the planets are not a exactly circular?
- 7. Which shape did Copernicus believe planetary path should be in?
Down
- 1. Today what are the moons orbiting Jupiter known as?
- 2. What planet goes through similar phases to the Earths moon?
- 3. Where was Johannes Kepler from?
- 5. Which planets moons did Galileo observe?
- 6. What does centric mean?