Across
- 1. heat,temperature and energy
- 5. progressed of existence
- 6. 85% of the universe is maybe made up from this
- 9. The study of the origin of universe
- 10. How hot or cold something is
- 12. alternate term for radiation
- 13. center of a black hole
Down
- 2. electron charges
- 3. merging of nuclei
- 4. theory of what created the universe
- 7. change in wavelength
- 8. how long it take for light to travel
- 9. the density of matter of the universe
- 11. difference of direction
- 14. light from galaxies is shifted
