The Planets

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