Solar System Crossword

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Across
  1. 2. The galaxy that contains our solar system
  2. 5. All gasses which surround a planet
  3. 7. The star at the center of our solar system
  4. 8. An object that moves around a larger object
  5. 9. This planet has over 1000 rings
  6. 11. The four planets that contain gases
  7. 12. Piece of debris that falls from outer space and impacts Earth
  8. 13. The smallest planet in the solar system
  9. 14. Found beyond the orbit of Neptune and includes the former planet Pluto
  10. 16. to move in a circle around a central axis
  11. 17. The planet named after the God of War
Down
  1. 1. A large celestial object that orbits around a star
  2. 3. The four planets closest to the sun
  3. 4. The largest planet in the solar system
  4. 6. The physical universe beyond Earth's atmosphere
  5. 10. The path followed by a celestial object
  6. 15. A collection of millions to billions of stars held together by gravitational forces