Across
- 4. how fast light travels
- 7. =Mass times Volume
- 9. A theory of how the universe was created
- 11. the study of stars
- 12. The universes leftover radiaton
- 13. The density of the Universe
Down
- 1. The universes building blocks
- 2. Something thats measured on a clock
- 3. Light Particles
- 5. opposite of light matter
- 6. molecules consisting of antiprotons
- 8. A measurement of temperature
- 9. An outcome of the Universe where its cold
- 10. The measure of Heat or Cold