Across
- 2. an inner planet
- 4. red planet
- 6. biggest planet
- 7. sun and the solar system
- 10. largest asteroid
- 11. living planet
- 12. dwarf planet
- 13. center of the solar system
Down
- 1. planet nearest the sun
- 3. ringed planet
- 5. between Mars and Jupiter
- 8. an outer planet
- 9. shooting stars