Across
- 2. Pluto is classified as this type of planet.
- 5. The collection of the Sun and everything that orbits it.
- 7. The largest planet in our Solar System.
- 10. The movement of a planet travelling around the Sun.
- 12. The star at the centre of our Solar System.
- 14. The planet famous for its beautiful rings.
- 15. The blue planet farthest from the Sun.
- 16. A ball of ice and dust that develops a glowing tail near the Sun.
- 18. The force that keeps planets moving around the Sun.
- 20. A rocky object that orbits the Sun, usually found between Mars and Jupiter.
Down
- 1. The planet with the hottest surface temperatures.
- 3. The movement of Earth spinning on its axis.
- 4. The planet closest to the Sun.
- 6. The layer of gases surrounding a planet.
- 8. The planet we live on.
- 9. The natural satellite that orbits Earth.
- 11. The seventh planet from the Sun that rotates on its side.
- 13. A huge collection of stars, gas, dust, and planets.
- 17. The path an object follows around another object in space.
- 19. The planet known as the Red Planet.
