Big Bang Theory

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Across
  1. 3. gravity, electromagnetism, strong nuclear force, and weak nuclear force
  2. 6. jfhhbdkmn
  3. 8. the apparent shift in an object's position relative to a background when viewed from two different locations
  4. 14. the scientific study of the universe
  5. 15. a unit of length used to express astronomical distances and is equal to exactly 9460730472580
  6. 18. flat, infinite, and three-dimensional
  7. 20. the process of merging light atomic nuclei (typically hydrogen isotopes, deuterium and tritium) to form heavier ones, releasing immense energy
  8. 21. posits that the early universe underwent an exponential, rapid expansion for a fraction of a second immediately after the Big Bang
  9. 22. the degree or intensity of heat present in a substance or object
  10. 23. vast, nearly empty regions of the universe, constituting roughly 80% of the observable cosmos
Down
  1. 1. an instrument designed to measure the intensity of light or specific optical properties of liquids, such as chemical concentrations, by analyzing light scattering or absorption
  2. 2. hot, dense, plasma, filling the early stages of the universe
  3. 4. kdjfhbdnm
  4. 5. the phenomenon where light from distant galaxies stretches and shifts toward redder wavelengths as it travels through expanding space
  5. 7. Big Bang Theory where all universe matter and energy were compressed into an infinitely hot, dense point billion years ago
  6. 9. interaction between electric charges,magnetic fields, and electric currents
  7. 10. When the Big Bang happens _____ began (tik tok tik tok)
  8. 11. a rare form of matter consisting of antiparticles with the same mass as ordinary particles but opposite charge
  9. 12. the reduction in wavelength (and increase in frequency) of light or other electromagnetic radiation from an object approaching an observer
  10. 13. are important cosmic benchmarks for scaling galactic and extragalactic distances
  11. 16. a pair of equal and opposite charges (electric) or poles (magnetic) separated by a small distance, representing a system's polarity
  12. 17. hjbsn mx
  13. 19. massive, gravity-bound system containing billions of stars, gas, dust, and dark matter