Lunar cycle.

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Across
  1. 3. The phase in which the moon is half bright on the left side.
  2. 6. The phase in which the moon is more than half bright and getting smaller.
  3. 9. The phase in which the moon is the smallest on the left, a crescent shape, the opposite of waxing.
Down
  1. 1. A fancy way to say the moon phases.
  2. 2. The phase in which the moon is completely dark.
  3. 4. The phase in which the moon is getting bigger and showing a crescent shape.
  4. 5. The phase in which the moon is half bright on the right side.
  5. 7. The phase in which the moon is its brightest.
  6. 8. The phase in which the moon is more than half bright, and slowly getting bigger.