big bang theory crossword puzzle

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Across
  1. 2. Rapid expansion right after the universe began
  2. 7. The universe itself or emptiness
  3. 8. Force involving electric and magnetic fields
  4. 10. Light shifted toward shorter wavelengths
  5. 11. Large empty regions in space
  6. 13. A type of star used to measure distance
  7. 15. Distance light travels in one year
  8. 20. Density needed to stop expansion of universe
  9. 23. fireball Early hot, dense state of the universe
  10. 24. Four basic interactions in physics
  11. 25. Device for measuring light intensity
Down
  1. 1. Period when matter dominated the universe
  2. 3. Opposite of matter
  3. 4. Stretching of light to longer wavelengths
  4. 5. Region of space with extremely strong gravity
  5. 6. Study of the origin and structure of the universe
  6. 9. Change in wavelength due to motion
  7. 12. Unit of temperature in science
  8. 14. Invisible mass affecting gravity
  9. 16. Measure of how hot or cold something is
  10. 17. Process that powers stars
  11. 18. Method for measuring star distance using angles
  12. 19. Large system of stars, gas, and dust
  13. 21. Point of infinite density
  14. 22. Measured progression of events