A supercluster of galaxies is a
A) cluster of galaxy clusters.
B) cluster of galaxies that is packed much more densely than normal clusters, giving it a higher mass.
C) phrase describing all the galaxies in the universe as a single system.
D) cluster of galaxies that is spread out over a larger than normal volume of space.

Question

Quizplus · Accepted Answer

Superclusters are large groups of smaller galaxy clusters or galaxy groups; they are among the largest known structures of the cosmos.

A Supercluster of Galaxies Is a