Across
- 2. thought Earth is center of planets and stars
- 5. patterns of stars
- 6. Greeks called the planets this
- 7. Greek word for Earth
- 8. system where planets revolve around sun
- 10. Greek for sun
Down
- 1. orbit of each planet is an ellipse
- 3. observed planets by telescope in 1500
- 4. placed sun at center of planets
- 9. oval shape which may be elongated