Across
- 2. what makes 25% of the universe
- 3. an apparatus for photographing or otherwise recording spectra
- 6. the colors we can see
- 8. what we live in
- 9. a decrease in wavelength
- 10. Milky way
- 12. also discovered CMB
- 15. power that can make light and heat
- 16. discovered Red shift
- 17. study of space
Down
- 1. E=mc2
- 4. energy left over from the big bang
- 5. formulated the theory of stellar nucleosynthesis.
- 7. the range of all radiation
- 9. expanding of the universe
- 11. what makes the galaxies move farther apart
- 13. discovered CMB
- 14. what makes up 74% of the universe