Across
- 2. A method for measuring the age of the universe
- 3. What will eventually happen if the universe does not reverse big bang
- 4. The study of the universe
- 6. What will happen when the universe stops expanding
- 8. A model for the expansion of the universe
Down
- 1. Something that is happening every day
- 5. The theory for the expansion of the universe
- 7. A remnant of the big bang