Planet Crossword

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Across
  1. 4. the coldest planet
  2. 8. the dwarf planet closest to earth
  3. 9. what astronauts travel in
  4. 10. people thought it was made of cheese
  5. 11. how many planets are in our solar system?
  6. 13. the smallest planet.
  7. 14. the hottest planet
  8. 15. the term used for a line of asteroids.
Down
  1. 1. sucks everything into unknown blackness
  2. 2. what do astronauts use to mark territory?
  3. 3. the biggest planet
  4. 5. has lots of rings but no wedding ring
  5. 6. a flying rock
  6. 7. the top of a rocket
  7. 8. remains of asteroid crashes
  8. 10. the planet aliens are thought to live on.
  9. 12. keeps things on the ground