Earth, Moon, And Sun Crossword

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Across
  1. 4. a moon phase that looks like a full circle from earth
  2. 5. a moon phase that looks like less than half a circle from earth
  3. 6. the amount of time it takes for a planet to complete one orbit around the earth
  4. 8. a moon phase that looks like a half circle from the earth
  5. 11. the sun,the planets that orbit the sun and other objects that orbit the sun
  6. 13. when the moon is completely dark
  7. 15. a rocky sphere that travels around a planet
  8. 16. something we observe to be similar over and over again
  9. 18. a moon outside our solar system
  10. 19. the shape of the illuminated portion of the moon as it appears to the earth
Down
  1. 1. a moon phase that looks lime more than a half circle from earth
  2. 2. to shine light on an object and make it visible
  3. 3. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  4. 7. a planet outside our solar system
  5. 9. the border between the light and dark parts on the moon
  6. 10. the star that is the main source of light at the center of our solar system
  7. 12. the nearly circular path a smaller object like the moon takes around a larger object like the earth
  8. 14. the relative size of things
  9. 17. a moon phase in which the moon is not visible from the earth