Space Crossword

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Across
  1. 3. The planet most like Earth
  2. 6. The second-brightest object in the Kuiper Belt
  3. 7. The largest planet in the solar system
  4. 9. a small satellite orbiting a planet
  5. 11. the envelope of gases surrounding the earth or another planet
  6. 14. The only planet with rings
  7. 16. The football-shaped dwarf planet
  8. 18. The smallest dwarf planet
  9. 19. The largest dwarf planet
  10. 21. The farthest planet from the Sun
Down
  1. 1. a region of space having a gravitational field so intense that no matter or radiation can escape
  2. 2. a small, rocky body orbiting the Sun
  3. 4. a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such
  4. 5. a small body of matter from outer space that enters the earth's atmosphere
  5. 8. This planet is twins with Neptune
  6. 10. The hottest planet
  7. 12. The only planet sustaining life
  8. 13. a celestial body moving in an elliptical orbit around a star.
  9. 15. The name of our galaxy
  10. 17. The planet closest to the Sun
  11. 20. all existing matter and space considered as a whole
  12. 22. The only dwarf that was once considered a real planet