Space crossword

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Across
  1. 4. Not a natural satellite
  2. 7. Blocking of Sun's light by Moon
  3. 8. The sun is in the middle of this model
  4. 10. When the Moon passes directly behind the Earth
  5. 11. When planets change direction in the sky
Down
  1. 1. Cycle of a waveform
  2. 2. field Producing a force on another massive body
  3. 3. These can be high or low
  4. 5. They are oval shaped
  5. 6. There is none of this on the moon
  6. 9. The earth is the middle of this model