Question

a huge cluster is called​

Answer 1

A supercluster is a large group of smaller galaxy clusters or galaxy groups; it is among the largest-known structures of the cosmos.

The large size and low density of superclusters means they, unlike clusters, expand with the Hubble expansion.

Answer 2

Answer:

galaxy group and clusters are also known gravitational bound object to have arisen thus far in the process of cosmic structure formation . The cluster themselves are often associated larger , non gravitational bound group called super cluster .