Across
- 3. sea-level change
- 5. largest planet
- 6. dark and cooler regions on the sun
- 8. Law of Universal Gravitation
- 9. he made sun-centered model
- 13. a piece of solid rocky and metallic debris
- 15. fastest moving planet
- 16. he made a telescope
- 17. he studied motion of plants
Down
- 1. hottest planet
- 2. be described as dirty snowball
- 4. the lighter-colocured regions of the Moon
- 7. natural debris in The Solar System
- 10. loop like structures at the surface of sun
- 11. he described a geocentric model
- 12. Earth's natural satellite
- 13. smooth and dark patches
- 14. yellow star
- 18. where we live
