Across
- 3. This separates Mars and Jupiter.
- 6. The planet closest to the sun.
- 7. The only planet that rotates east to west
- 8. The name of our moon
- 9. outer planets are also known as this.
- 12. There are _______________ inner/terrestrial planets.
- 14. This was our ninth planet.
- 15. The third planet from the sun.
Down
- 1. The largest planet.
- 2. One of two planets without a moon
- 4. The inner planets are also known as _____ planets.
- 5. This planet rotates on its side.
- 6. Known as the red planet because of its color.
- 7. One of two planets without a moon.
- 10. The second largest planet.
- 11. This planet was discovered by a mathematical prediction.
- 13. There are _______________ outer planets.