The Planets

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