The space

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Across
  1. 2. there are billions in the space
  2. 3. luminous star
  3. 7. we are in it
  4. 8. the name of our system
  5. 9. our planet
  6. 11. killed the dinosaurs
  7. 12. the biggest star in the system
  8. 14. made up of gas and space dust
  9. 15. we use it to see the space
Down
  1. 1. formated by multiple stars
  2. 4. the red planet
  3. 5. absorbs everything around him
  4. 6. between Mars and Jupiter
  5. 10. big explosion
  6. 11. the artificial satellite
  7. 13. there are 8 in our system