Universe

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Across
  1. 2. our galaxy
  2. 7. a planet which is not anymore a part of our solar system
  3. 9. I.Newton discovered it
  4. 10. brings us vitamin D
  5. 12. celestial object in orbit around a planet
  6. 13. everything is made of it
  7. 14. shines in the sky
  8. 16. set of stars
  9. 17. something a clock can mesure
  10. 18. the planet we live on
Down
  1. 1. creation of the universe
  2. 3. separate humans from the stars
  3. 4. satellite of the Earth
  4. 5. celestial entity orbiting the sun
  5. 6. lack of material
  6. 8. biggest planet of our solar system
  7. 10. set of planets and sun
  8. 11. hole without light and matter
  9. 14. lack of noise
  10. 15. lack of light