Big Bang Crossword

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Across
  1. 3. Milky way
  2. 5. used to study light
  3. 6. the ability to work
  4. 9. found in water
  5. 11. one of the first atoms
  6. 12. leftover radiation
  7. 14. everything we see
  8. 16. discovered CMB
Down
  1. 1. e=mc^2
  2. 2. Theory on how the universe
  3. 4. Study of space
  4. 7. color shift
  5. 8. American Astromoner
  6. 10. separates incoming light
  7. 13. coined the phrase big band
  8. 15. made up of matter