Galaxies in the Universe Are

Multiple Choice

Galaxies in the universe are

A) distributed randomly, their density remaining approximately constant throughout space.
B) collected into superclusters that are concentrated along filaments surrounding empty spaces that contain very few galaxies.
C) concentrated into a central supercluster with other clusters rotating about it in a huge, flat disk like a supergalaxy, with very few galaxies outside this disk.
D) all concentrated in spherical clusters, and these clusters are distributed uniformly throughout space.