Across
- 4. Longest operating Mars rover
- 7. What is the state rock of Ohio
- 8. What makes up 95% of Mars atmosphere
- 9. What Indian tribe first discovered Flint Ridge
- 10. Largest volcano in the solar system
- 11. Holst tune
- 12. Why is Mars Red
- 13. Famous cartoon Martian
Down
- 1. The art of shaping flint
- 2. How many moons does Mars have
- 3. Mars largest moon
- 4. 687 days is what on Mars
- 5. What country first landed on Mars
- 6. Largest canyon in the solar system