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