The Sun and Solar System

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Across
  1. 3. A small planet-like body such as Pluto
  2. 5. The planet with the most famous ring system
  3. 6. The amount of matter in an object
  4. 7. A giant ball of gas producing light and heat by fusion
  5. 8. The farthest planet from the Sun
  6. 13. The largest planet in the Solar System
  7. 16. The name for the small rocky planets close to the sun
  8. 17. A natural satellite that orbits a planet
  9. 18. The force that keeps planets in orbit.
  10. 19. An inward force in circular motion
Down
  1. 1. The name for the gas and ice giants
  2. 2. The planet that rotates on its side
  3. 4. The path a planet takes around the sun
  4. 6. The closest planet to the Sun
  5. 9. A famous dwarf planet, once classed as the ninth planet
  6. 10. The third planet from the Sun
  7. 11. The region where most asteroids are found
  8. 12. Known as the red planet
  9. 14. A large body that orbits a star
  10. 15. A rocky body found between Mars and Jupiter