Across
- 1. the force that pulls and pushes mass
- 4. one of the first elements
- 6. Particles: quarks make up
- 7. Bang: how the universe was created
- 9. one of the first elements
- 10. Microwave Background radiation: residual energy leftover from the origin of the universe
Down
- 2. Einstein: contributed to the creation of the big bang theory
- 3. spectrum: used to study light
- 5. all matter and space
- 8. first things in the universe