Big Bang Theory Vocabulary Crossword

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Across
  1. 2. Era
  2. 4. Fireball
  3. 5. Hole
  4. 7. Forces
  5. 9. Lines
  6. 11. Space Telescope
  7. 13. Fusion
Down
  1. 1. Density
  2. 3. Matter
  3. 6. Background Radiation
  4. 8. Shift
  5. 10. (1st Law)
  6. 12. Bang Theory (Model)