Solar System

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Across
  1. 2. A small reddish planet that is fourth from the Sun
  2. 4. The smallest plane in our solar system and the closet to the Sun
  3. 7. An irregulary shaped rock that orbits the Sun
  4. 8. A large planet that is mainly made up of gases
  5. 12. A single turn of something around an axis or a fixed point;spinning
  6. 13. The center of an object
  7. 14. Earth's only natural satellite
  8. 16. A large blue planet that is eighth from the Sun
  9. 17. The largest planet in our system and the fifth from the Sun
  10. 18. The are in space between Mars and Jupiter where most asteroids orbit together
  11. 21. An are of our solar system beyond the orbit of Neptune where a group of minor planets and other objects orbit the Sun
  12. 22. The third planet from the Sun
  13. 23. system A group of objects in space that orbit a Star
  14. 24. A dwarf planet that was discovered in 1930 and was once considered a planet
  15. 25. A single journey along an orbital path
Down
  1. 1. A nearly rounded object that orbits, a star, and not big enough to be a planet
  2. 3. A space object made of ice and dust that orbits a star and develops a long, bright tail as it nears its star
  3. 5. A large bluish-green planet that is seventh from the Sun
  4. 6. A planet with large rings around it that is sixth from the Sun
  5. 9. A layer of gases surrounding a planet star, or moon
  6. 10. A body in outer space made of hot gasses
  7. 11. The force that pulls all objects toward each other
  8. 15. A hole in the ground caused by the impact of an object from space
  9. 19. This means to revolve around another object
  10. 20. planets Rocky Earth sized planets