Across
- 2. a collection of less than 50 galaxies
- 6. makes up 27% of the universe
- 8. most common type of galaxy
- 10. Our Galaxy
- 11. made laws about orbital speed vs distance
- 12. stars with 2-3% metals
Down
- 1. found at the center of the galaxy
- 3. the Milky Way galaxy
- 4. a cluster of clusters
- 5. galaxy with no recognizable shape
- 7. billions of stars held together by gravity
- 9. made laws about gravitational attraction