Across
- 5. made the fields of extragalactic astronomy and observational cosmology
- 6. what allows us to function
- 8. definition of color
- 9. one of the first particles
- 10. creator of the steady-state theory
- 11. the study of everything in space
- 12. the first particle
- 15. developed the special and general theories of relativity
- 16. where our planets are located
Down
- 1. measurement of radiation frequencies
- 2. the creation of the universe
- 3. accidentally discovered CMB
- 4. leftover radiation from the big bang
- 7. what happens to light when it moves away from us
- 13. space and its contents
- 14. graph that measures wavelength signals