Cross (word) The Solar System

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Across
  1. 6. National Aeronautics and Space Administration
  2. 7. a gas that surrounds some planets
  3. 11. seventh planet from the Sun
  4. 12. a gas that consists 1/5 of the atmosphere
  5. 15. system the sun along with all the other planets and other objects in a group in space
  6. 16. a liquid that makes Earth habitable
  7. 18. largest planet in the solar system
  8. 20. the path a planet or other object takes around the Sun
  9. 21. the closest planet to the Sun
  10. 22. for planet from the Sun
  11. 23. capable of being inhabited
  12. 24. the center of our solar system
  13. 25. has thin flat rings made of ice
Down
  1. 1. planet a smaller planet that is too small to be considered a planet
  2. 2. second planet from the Sun
  3. 3. a bright light in the sky
  4. 4. unit a unit of length based on the distance from the Sun
  5. 5. eight large objects that orbit the Sun
  6. 8. a natural satellite to a planet
  7. 9. Dash most famous dwarf planet
  8. 10. 8th planet from the Sun
  9. 13. a downward force on planets or other objects in space
  10. 14. the path around the Sun
  11. 17. the process of turning on an axis
  12. 19. the only planet to have life on it
  13. 26. a creature from outer space