Across
- 2. Armstrong First person on the moon
- 6. Protects us from Solar Radiation
- 8. Hold the atmosphere and Earth together
- 11. Coldest planet in our solar system
- 12. Known for their rings
- 13. One of the ice planets
- 14. dioxide Greenhouse gas in our atmosphere
Down
- 1. Largest star
- 3. Necessity for habitable zone
- 4. Biggest gas giant
- 5. Movement around the sun
- 7. Closest to the sun
- 9. Hottest planet
- 10. Dwarf planet