Chapter 8

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Across
  1. 3. one complete orbit around the sun
  2. 5. different shapes of the moon as seen from earth
  3. 9. the time a planet takes to revolve once around the sun
  4. 10. an object in orbit around another bigger object
  5. 12. an irregular rocky object the sun in band between mars and jupiter
  6. 13. the path a planet takes around a star, or moon as seen from earth
  7. 15. the total celestial body by another
Down
  1. 1. satellites placed into orbit by humans
  2. 2. model of the universe with earth as its centre
  3. 4. oval shape
  4. 6. full, dark shadow of an eclipse
  5. 7. a meteor big enough for part of it to hit the ground
  6. 8. way the galaxy in which our solar system is located
  7. 11. less dense shadow of an eclipse
  8. 14. summer, spring, autumn, winter