Across
- 1. defined as space all matter and energy in it.
- 5. a bigger grouping than cluster.
- 7. a cluster which contain about 30 galaxy including the Milky Way.
- 8. a super super cluster that local group is found in.
- 11. look like spheres or ovals and are thought to contain older stars.
- 12. like our galaxy(the Milky Way)
Down
- 2. no particular shape and are thought to contain newer stars.
- 3. galaxies that are hold together in a group by gravity.
- 4. classified by shape: spiral, barred spiral, elliptical spiral, and irregular.
- 5. new stars form near the arms.
- 6. is the distance light travels through space in one year.
- 9. is a barred spiral galaxy and is part of a cluster called local group ( we are found here).
- 10. in which very little matter exists.