Across
- 3. Known for its rings
- 7. The second planet from the sun
- 10. A person trained to travel in a spacecraft
- 11. The largest planet in our solar system
- 12. No longer considered a planet
- 16. Nicknamed the Red Planet
- 17. The planet furthest from the sun
- 19. The galaxy our Solar System is in
- 20. The planet we live on
Down
- 1. Revolves around the Earth
- 2. A ball of gas held together by gravity
- 4. A vehicle that launches into space
- 5. The planet closest to the sun
- 6. Made up of the sun and the planets which orbit it
- 8. The star in the centre of the Solar System
- 9. The force that attracts people to the Earth
- 13. The seventh planet from the sun
- 14. Four planets in the Solar System are known as _ planets
- 15. Billions of stars, gas and dust held together by gravity
- 18. An object which moves around a star