Across
- 5. sometimes called the "red planet"
- 8. a large hole in the surface of a planet
- 9. the closest planet to the sun
- 10. the farthest planet from the sun
- 12. the center of our solar system
- 14. the largest planet in our solar system
Down
- 1. the second planet from the sun
- 2. a large rock traveling through space
- 3. the planet famous for its rings
- 4. this word means to go around something over and over again
- 6. the layer of gases surrounding a planet
- 7. what orbits the earth
- 11. the planet between saturn and neptune
- 13. the planet we live on