Across
- 6. no beginning nor end to the universe
- 9. to swing or move regularly back and forth
- 10. longer wavelength
- 11. earliest stage
- 12. remnants of big bang
- 14. explanation of a phenomenon
- 16. named from the dominance of radiation
Down
- 1. study of the origin and evolution of the universe
- 2. universe rapidly expanded
- 3. proposed the Oscillating Universe
- 4. the cosmos
- 5. shorter wavelength
- 7. Big bang and Big Crunch
- 8. fireball
- 13. era:atomic galactic stellar
- 15. energy force that repels gravity