The initial small light group, after millions of years repeatedly on differentiation - synthesis - Differentiation - resynthesis - ,,, is evolving, it becomes a different structure today, a variety of sizes of light group.
The evolution of the original tiny light mass, after hundreds of millions of years of repeated differentiation-synthetic-re-fragmentation-resynthesis-resynthesis -、、、, has become today's diverse light clusters of different structures and sizes.
The original micro clusters, after hundreds of millions of years of continuous evolution of repeatedly differentiation synthesis redifferentiation re synthesis, have become today's various clusters with different structures and sizes.