Big Bang Theory Crossword

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Across
  1. 1. observed wavelength or frequency
  2. 5. distance light travels in a year
  3. 10. matter began to dominate
  4. 11. force 4 fundamental forces
  5. 12. interaction of electric currents
  6. 13. study of origin of universe
  7. 14. even light can't get out of here
  8. 15. measure of temp
Down
  1. 2. hot and dense universe
  2. 3. average measure of kinetic energy
  3. 4. no absorbed light
  4. 6. theory of exponential expansion
  5. 7. star that pulsates rapidly
  6. 8. halt expansion
  7. 9. held by gravity