Across
- 3. what created the universe
- 5. the universe seen as a whole
- 6. situated between stars
- 7. all existing of matter and space
- 8. the science of the origin and development of the universe
- 10. deserted of people and in a state of bleak and dismal emptiness
Down
- 1. where the universe continues to expand forever and eventually all matter reaches a final state
- 2. the ultimate fate of the universe
- 4. a collection of star system
- 9. the complex structure of the universe