Across
- 4. radiation from The Big Bang Theory.
- 6. Why did the Big Bang happen?
- 7. the study of the universe
- 8. The theory of evolution of the world.
Down
- 1. what is it called when the universe gets bigger and bigger?
- 2. In the Milky Way.
- 3. What does cosmic background radiation due to the universe?
- 5. why can’t we see most of the universe?