Across
- 1. clusters, are large groupings of older stars
- 4. binary, A system in which one star blocks the light from another periodically is called an
- 5. galaxies, look like round or flattened balls.
- 7. are active young galaxies with huge black holes at their centers.
- 8. galaxies, Somegalaxies appear to have a bulge in the middle and arms that spiral outward, like pinwheels.
Down
- 2. cluser , have a loose disorganized appearance
- 3. star, Star systems that have two stars are called double stars or
- 6. galaxies,Somegalaxies do not have regular shapes.