Across
- 1. A self contradictory situation or statement
- 7. The infinite vacuum that holds the universe
- 10. A physical tangible substance
- 11. An apparatus for recording spectra for examination
- 12. What happens when a plane, train, or car passes by?
- 13. Studying the origin of the universe
- 14. The entirety of the universe
Down
- 2. The portion of the universe that is able to be seen
- 3. What do you call the action of inflating something?
- 4. Two or more atomic nuclei fuse together to form a different atomic nucleus
- 5. Attraction between all matter
- 6. What happens when the wavelength of light gets stretched?
- 7. What is a cluster of galaxies?
- 8. What happens when oxygen is heated greatly?
- 9. The study of space and the physical universe