Across
- 2. the phenomena where galaxies moving away from earth move toward the end of the spectrum
- 4. our universe
- 6. a red giant that went supernova
- 8. theoretical beginning of the universe
Down
- 1. a collection of space dust and gas where stars form
- 3. when a star explodes
- 5. the distance light travels in a year
- 7. all matter
- 9. a large collection of stars