Across
- 1. Known as the "Red Planet"
- 3. Famous for it's rings
- 5. Number of planets in solar system
- 6. Another word for solar system
- 7. Smallest planet
- 8. Closest planet to the sun
- 9. What takes approximately 365 days to rotate around the sun
Down
- 2. The study of the solar system
- 4. The largest planet
- 5. Coldest planet in the solar system