Big Bang

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Across
  1. 6. Continued progression of existence
  2. 7. Two equal and opposite electric charges separated by a small distance
  3. 11. A point in spacetime when matter is crushed and the laws of physics break down
  4. 14. An instrument for measuring the intensity of light
  5. 15. The hot and dense state of the universe during its first 380,000 years after the big bang
  6. 17. Three-dimensional expanse that exists beyond Earth's atmosphere and between celestial bodies
  7. 18. When the color of an object shifts to red due to it getting farther away from the observer
  8. 21. When the color of an object shifts to blue due to it getting closer to the observer
  9. 22. Vast regions of the universe that contain very few galaxies
  10. 23. Electric and magnetic charges and their interaction
  11. 24. An Era approximately 50,000 years after the Big Bang
Down
  1. 1. An area in space with gravity so strong that nothing can escape
  2. 2. A type of pulsating star that regularly expands and contracts
  3. 3. Matter consisting of particles with identical mass but opposite charges
  4. 4. A full year of travel at the speed of light
  5. 5. Expanding
  6. 8. How hot or cold something is
  7. 9. Study for the universe
  8. 10. The changing of color when distance from the viewer changes
  9. 12. Average density of matter and energy needed for the universe to have a flat geometry
  10. 13. The apparent shift in position of a nearby object
  11. 16. Unit of temperature
  12. 19. A system of millions or billions of stars,held together by gravitational attraction
  13. 20. Invisible matter that makes up the majority of the universe