The Universe Crossword

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Across
  1. 1. Name given to interstellar dust beyond the Milky Way
  2. 3. Did not exist before the Universe came to be. Space and T___
  3. 4. Other commonly known theory for the origin of the Universe
  4. 6. What happens to light when an object travels away from us VERY quickly
  5. 11. Main proof of the Big Bang Theory. CMB
  6. 14. A collection of planets is one of these
  7. 15. We live on one of these
Down
  1. 2. What we live in and without neither us nor time would exist. Constantly expanding
  2. 4. The name given to a group of planets revolving around a star
  3. 5. The nearest star to us
  4. 7. The closest natural satellite
  5. 8. The most commonly believed theory for the origin of the Universe
  6. 9. A device used to explore the universe
  7. 10. The type of telescope used to detect cosmic microwave background
  8. 12. The name of our galaxy
  9. 13. The Sun is an example of one of these