ASTRONOMY PUZZLE

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Across
  1. 4. planet is closest to the sun
  2. 5. 7th planet from the sun
  3. 7. Planet named after the Roman god of war
  4. 9. Planet is covered by clouds of sulphuric acid
  5. 11. Season after autumn
Down
  1. 1. the name of the force which keeps the planets in orbit around the sun
  2. 2. 6th planet from the sun
  3. 3. planet has a day which lasts eight months
  4. 6. The biggest star in the universe
  5. 7. a natural satellite
  6. 8. eclipse When moon blocks the sun
  7. 10. Total planets in Solar system