Big Bang
Across
- 3. 9:48 AM
- 5. the wavelength of the light is stretched
- 6. How far light can travel in a year
- 8. the quality or state of being singular
- 9. the physical interaction among electric charges,
- 12. a hypothetical form of matter
- 13. change in observed wavelength, or frequency
- 15. the way the universe began.
Down
- 1. he earth is bathed in radio waves that appear to have originated at the time of the primordial "big bang.
- 2. the average density of matter required for the Universe to just halt its expansion
- 4. the study of the relations between heat, work, temperature, and energy
- 7. the science of the origin and development of the universe
- 10. the apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object
- 11. two light nuclei merge to form a single heavier nucleus
- 14. Measure of heat