Across
- 2. this planet has a really big canyon and is known as the red planet
- 6. this planet is the largest planet in the solar system
- 7. the smallest planet in the solar system
- 8. this helps keep astroids from crashing into earth
- 9. this burns up as its passing the Earth's atmosphere
- 11. this planets axes is parallel to ours
Down
- 1. the 2nd bigest planet
- 3. this has no atmosphere and is the 2nd smallest planet
- 4. this moon has a heavily cratered crust
- 5. this has a big enough tail that you can see it from earth
- 10. the only planet life sustainable
