Across
- 2. The bodies that orbit around other planets
- 4. The only planet with life
- 6. A planet with extreme seasons
- 8. Nicknamed "the red planet"
- 9. A very hot planet with an unpleasant atmosphere
- 11. The planet with very visible rings
- 12. The closest planet to the Sun
Down
- 1. The largest planet
- 3. The furthest planet from the Sun
- 5. The gases surrounding a planet
- 7. The star at the centre of the solar system
- 10. The force that keeps the planets in orbit
