Across
- 3. Largest planet in our Solar System
- 5. ______System
- 10. Planet closest to the sun
- 12. A moon on Mars
- 13. This helps keep our planet warm by holding in heat
- 14. The Great Red Spot is a very large one of these
Down
- 1. This causes Mars to look red
- 2. This planet is known as Earth's twin
- 4. Largest moon of Jupiter
- 6. Third planet from the sun, and where we call home
- 7. The amount of days it takes for a plant to go around the sun
- 8. This planet was named after the Roman god of war
- 9. The Star our planets orbit around
- 11. These robots have been exploring Mars