Across
- 4. our galaxy
- 5. farthest planet from the sun
- 7. the red planet
- 8. largest planet in the solar system
- 12. Titan is the largest moon of ______
- 13. small rocks that orbit the sun
Down
- 1. Earth's only satellite
- 2. distance traveled by light in a vacuum in one tropical year
- 3. Evening star
- 6. the blue planet
- 9. seventh planet from the sun
- 10. smallest planet in the solar system
- 11. the star at the center of the solar system