Across
- 4. What does one use to observe the night sky?
- 5. The first to prove universal expansion by way of galactic redshifting.
- 8. What drive the acceleration of universal expansion?
Down
- 1. What analogy adequately describes universal expansion?
- 2. What is one tool to calculate the age of our universe?
- 3. What has been happening to our universe since the big bang? Hubble Proved it.
- 6. What did world renowned physicist Stephen Hawking study to lead him to his discovery of hawking radiation?
- 7. This famous scientific theory suggests that our universe had a beginning. And since that beginning our universe has been expanding.
- 9. The unification of space and time
