Earth Moon and Sun

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Across
  1. 1. From earth we can only see the half of the moon that is ________________us
  2. 3. the amount of time it takes for a planet to complete one orbit around the star or stars
  3. 8. when the Moon is completely dark (2 words)
  4. 10. the border between light and dark on the Moon
  5. 12. the relative size of things
  6. 13. a moon outside our solar system
  7. 14. a moon phase that looks like more than half a circle from Earth
  8. 15. ________________eclipses can only happen when Earth is in between the sun and the Moon.
  9. 16. It takes about one___________for the Moon to orbit Earth
Down
  1. 2. a moon phase that looks like less than half a circle from Earth
  2. 4. There is a ___________________to the position of the Moon because the Moon orbits around Earth.
  3. 5. The sun _________________the Moon
  4. 6. It takes about one month to see the full pattern of moon_____________
  5. 7. a moon phase in which the Moon is not visible from Earth (2 words)
  6. 9. Light from the sun travels in ______________lines
  7. 11. a rocky sphere that travels around a planet
  8. 15. The moon does not make its own____________
  9. 17. The sun illuminates the ___________of the moon that is facing it