Across
- 3. our planet
- 6. first planet
- 9. giant area of space
- 11. when the Earth goes between the Sun and Moon
- 13. star nearest us
- 15. when the moon goes between the Earth and the Sun
- 16. Has rings
- 17. eighth planet
- 18. fourth planet
Down
- 1. years how to measure distance in space
- 2. become meteors when they enter Earth's atmosphere
- 4. fifth planet
- 5. space rocks
- 6. revolves around Earth
- 7. seventh planet
- 8. second planet
- 10. made of ice and dust
- 12. area of our sun and eight planets
- 14. dwarf planet