Solar System Crossword

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Across
  1. 3. The only planet with one moon.
  2. 6. The smallest planet.
  3. 10. Pluto's largest moon.
  4. 13. One of Mar's moons.
  5. 16. A huge canyon on Mars's surface.
  6. 17. A dark blue planet with incredibly strong winds.
  7. 19. The largest of the dwarf planets.
  8. 20. The word for the point in space that the binary Pluto-Charon system revolves around.
  9. 22. The number of tails most comets have as they approach the inner solar system.
  10. 23. The nearest celestial body to the Earth.
  11. 24. The first dwarf planet discovered and the largest asteroid in the asteroid belt.
  12. 25. A planet that appears to "roll" through the solar system.
  13. 27. The largest volcano on Mars.
  14. 31. The huge area of icy bodies where most short period comets come from.
  15. 32. A small chunk of asteroid that burns up in Earth's amtmosphere.
  16. 35. The only moon in the solar system that revolves retrograde, or opposite, of the planet's (Neptune) motion.
  17. 36. The largest planet.
  18. 37. A small celestial body made primarily of rocky material.
Down
  1. 1. A chunk of asteroid big enough that doesn't entirely burn up and strikes Earth.
  2. 2. One of Mar's moons.
  3. 4. The shape of all celestial bodies that revolve around the sun.
  4. 5. A Galilean moon that definitely has water ice.
  5. 7. The most massive dwarf planet.
  6. 8. A small celestial body made primarily of icy material.
  7. 9. A massive storm on Jupiter that's at least hundreds of years old.
  8. 11. This planet would float in a bathtub
  9. 12. The largest moon in the solar system.
  10. 14. The giant spherical zone of icy bodies that houses long period comets and overlaps with the same zone from the next star.
  11. 15. The hottest planet.
  12. 18. One of Uranus's moons that's named after an impish creature from A Midsummer Night's Dream
  13. 21. A moon of Saturn that has organic molecules on it.
  14. 26. The location of the majority of the asteroids.
  15. 28. The reddest planet.
  16. 29. The number of moon's of Pluto.
  17. 30. A small asteroid chunk that hasn't yet entered Earth's atmosphere.
  18. 33. The third largest moon of Jupiter.
  19. 34. The number of planets revolving around the sun.