Complete the crossword:

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Across
  1. 2. The type of moon that is mostly, but not completely, lit.
  2. 4. The type of moon that is only partly lit.
  3. 6. The lighter portion of the shadow in an eclipse.
  4. 7. The Land of the Midnight Sun happens at the North Pole in the ______.
  5. 8. There are _____ planets that are visible to the naked eye.
  6. 11. The distance light will travel in one year.
  7. 12. Satellites that are not man-made are _______.
Down
  1. 1. Planets orbit the sun in an _____
  2. 3. Bits of dust or rock that burn up as they move through the atmosphere
  3. 5. The inner planets are called _____ planets because they are made of rock.
  4. 9. The type of eclipse where the Earth casts a shadow on the Moon.
  5. 10. The Earth takes one ____ to spin on its axis.