COSMOLOGY VOCAB

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Across
  1. 2. Forever expanding universe/cold death/somewhat curved
  2. 3. Electromagnetic radiation from the early stages of the universe/big bang
  3. 6. Formed through sdss that is a giant wall/struction of galaxies
  4. 8. our universe is like this: space time would be curved but on a larger scale it would all seem flat
  5. 10. universe The universe curves back on itself and creates a sort of spherical figure/big crunch
  6. 12. Inverse of hubble constant
  7. 14. Opposes gravity and causes expansion of universe
  8. 15. astronomers who discovered cmbr
  9. 16. The same in all directions
  10. 19. Protons, neutrons, and electrons form
Down
  1. 1. Helium and hydrogen are in today's abundances
  2. 4. Luminous matter
  3. 5. Deuterium and Helium nuclei form
  4. 7. The same for all locations/distances
  5. 9. Where protons got a hold of free electrons to form hydrogen atoms
  6. 11. Value necessary to understand structure/density needed to stop the expansion of the universe
  7. 13. Dark matter
  8. 17. First stars began to form/end of dark age
  9. 18. Energy that can't be seen but takes up most of universe