Solar System

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Across
  1. 2. rotates on its side
  2. 5. the path of an object as it revolves around another object in space
  3. 6. a system of millions or billions of stars held together by gravitational pull
  4. 8. a meteoroid that has hit earths surface
  5. 9. is the hottest planet
  6. 13. a chunk of rock or dust in space
  7. 14. has many rings
Down
  1. 1. is the only planet with liquid water
  2. 3. is a star at the center of the solar system
  3. 4. a ball of ice and dust whose orbit is usually a long, narrow ellipse
  4. 7. a scientist who studies the universe beyond earth
  5. 10. any object that revolves around another object in space
  6. 11. is the largest planet
  7. 12. is the fourth planet from the sun