Across
- 2. Forth planet from the sun.
- 3. Second closest planet from the sun.
- 6. Closet planet from the sun.
- 8. Seventh planet from the sun.
- 9. Eighth planet from the sun.
Down
- 1. Orbits the sun.
- 4. Sixth planet from the sun.
- 5. Fifth planet from the sun.
- 7. Third planet closest from the sun.
- 10. Not a planet anymore.