Across
- 3. All matter and space that exists
- 5. Discovered all galaxy's are moving apart from each other
- 8. First element to be created
- 9. The particles the universe was full of when it began
- 10. Came up with the theory of relativity
Down
- 1. Spectrum used to study light
- 2. Residual energy left over from the origin of the universe
- 4. Second element to be created
- 6. The thoery that suggests our universe is always expanding
- 7. First subatomic particle to show up in the universe