The potent mutual attraction that holds
together huge clusters of galaxies traps hot gas that feverishly emits X-rays.
Not exact matches
Megapolitan refers to the
clustering of large cities
together to form
huge belts of dense population.
Praton's model shows that this can create the appearance of a
huge connected wall from the motions of many smaller
clusters that are not in fact bound
together.
The galaxies clump
together into
clusters and the galaxy
clusters gather
together into
huge string - like superclusters with big gaps (voids) in between.