Across
- 5. all in a single point
- 6. galaxies have thousands
- 7. where stars are born
- 9. our galaxy
- 10. a theory about how the universe started
Down
- 1. a mix of spiral and elliptical
- 2. everything is in the...
- 3. long armed galaxy
- 4. everything that isn't on earth
- 8. In the middle of a galaxy