Across
- 1. make larger
- 3. leftover radiation from this event around 14 billion years ago.
- 4. a part or aspect of something abstract, especially one that is essential or characteristic.
- 6. used to study light
- 7. the strength and vitality required for sustained physical or mental activity.
- 8. the theory that our universe formed from a single explosion.
Down
- 1. discovered the galaxy was moving away from each other
- 2. When the universe began, it was full of
- 5. made up of all matter and space that exist.
- 6. Helped us understand more