chapter 3

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Across
  1. 3. fuzzy outer layer
  2. 4. must be round
  3. 6. inner core of a comet
  4. 10. effect the trapping of heat
  5. 11. planets the latin word terra
  6. 13. give of its light
  7. 14. thin disk of small particles
  8. 15. planet orbits the sun and spherical
Down
  1. 1. giants name often given to the outer planets
  2. 2. belt extends to abou 100 times Earths distance
  3. 5. belt a region between Mars and Jupiter
  4. 7. cloud streches out more than 1000 times between the Sun and Neptune
  5. 8. loose collections of ice
  6. 9. Chunks of rock or dust
  7. 12. system consist of a sum