Solar and Lunar Crossword Puzzle

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Across
  1. 4. The amount of light on the moon appears to increase
  2. 5. The moon appears to have disappeared
  3. 8. The outermost layer of the sun
  4. 9. The visible surface of the sun
Down
  1. 1. 'Loop' that extends out of the sun
  2. 2. The moon appears as a full circle
  3. 3. Explosions that occur on the sun
  4. 4. The amount of light on the moon appears to decrease
  5. 6. Cooler areas on the sun that appear darker
  6. 7. When an object is blocking another object