Across
- 3. the oldest star
- 6. the only planet with known life on it
- 8. saturn's smallest moon
- 9. the planet behind earth
- 10. the planet In front of earth
- 12. the biggest star
- 13. the smallest star
- 15. nickname for the earth
Down
- 1. the rover that collected data, including photographs, as it rolled over the Martian surface in 2012.
- 2. a planet with rings
- 4. the planet closest to the sun
- 5. the probe that has been orbiting Mercury since March 2011
- 7. the planet farthest away from the sun]
- 11. Saturn's biggest moon
- 14. the biggest star in our solar system