Sun, Moon, and Earth

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Across
  1. 3. Blocking
  2. 4. 23.5
  3. 5. Dark
  4. 6. Around-Another-Object
  5. 9. Increasing
  6. 10. Spinning
  7. 12. Equal
Down
  1. 1. Longest-Day
  2. 2. Illuminated
  3. 7. Moon-Phases
  4. 8. Imaginary-Line
  5. 9. Decreasing
  6. 11. The-Way-The-Sun-Hits-The-Earth