Space

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Across
  1. 2. his surface is composed by iron dust
  2. 4. his temperature is so high because of the gasses
  3. 7. the small one
  4. 8. the further one
  5. 10. where it all started
  6. 12. it has rings
  7. 13. the blue one
Down
  1. 1. it also has rings but smaller
  2. 3. the first man-made satellite
  3. 5. The spectacular death of a star
  4. 6. the closest one to the sun
  5. 9. the first man(on the moon)
  6. 11. the big one