Across
- 2. group of single stars,star systems,star clusters,dust,and gas bound together by gravity
- 3. young galaxies with huge black holes at their centers
- 5. Typically smaller than other types of galaxies
- 6. Large groupings of older stars
- 9. Galaxies that appear to have a bulge in the middle and arms that spiral outwards,like pinwheels
Down
- 1. system in which one star blocks the light from another periodically
- 4. Round or flatted balls
- 7. stars that have two stars
- 8. Loose,disorganized appearance and contained up to a few thousand stars