Big Bang Theory Vocab

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Across
  1. 2. The first element in the universe
  2. 4. Branch of science dealing with celestial objects, space, and the physical universe
  3. 5. He proved that the universe is expanding
  4. 10. Helped Arno Penzias discover Cosmic Microwave Background Radiation
  5. 13. Faint remains of the big bang
  6. 16. System containing billions of celestial objects
  7. 17. The second element to ever be created
  8. 18. Developed the theories of the universe's expansion
Down
  1. 1. Helped Robert Wilson discover Cosmic Microwave Background Radiation
  2. 3. He named the Big Bang
  3. 6. Full range of radiation
  4. 7. Entirety of space, time, matter, and energy
  5. 8. Portion of the electromagnetic spectrum that humans can see
  6. 9. Model describing how the universe began from an extremely hot, dense point
  7. 11. Instrument used to break light into colors to study what objects are made of
  8. 12. The ability to do work or cause change in a system
  9. 14. Indicates that objects are moving away from us
  10. 15. Indicates that objects are moving toward us