Across
- 3. planet with surface area 70% water
- 5. star at centre of solar system
- 8. gas giant
- 9. red rocky planet
- 10. dwarf planet
- 11. planet closest to Sun
- 12. planet with rings
- 13. largest planet
Down
- 1. ball of ice orbiting sun
- 2. the 'evening star'
- 4. collection of billions of stars
- 6. lump of rock found between Mars and Jupiter
- 7. gas giant
- 9. natural satellite
- 12. where hydrogen is fused to helium