The Moon - Hint: Some of the words of the words are two words combined!

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Across
  1. 3. When you can see no moon
  2. 4. Another word for the moon
  3. 6. The stages of the moon
  4. 8. The soft sand like articles on the moon
  5. 9. This subject
Down
  1. 1. The first person on the moon
  2. 2. The missions that landed on the moon were called...
  3. 5. When you can see the whole moon
  4. 7. A hole in the moon