Universe

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Across
  1. 3. well known dwarf-planet
  2. 5. When somebody creates something useful
  3. 6. reason why the earth revolves around thesun
  4. 9. The only planet with life
Down
  1. 1. biggest planet in our Universe
  2. 2. Jupiter has at least 79 of these
  3. 4. the name of our galaxy
  4. 7. people that have been in space
  5. 8. the nearest ... is the sun