Which of the following cosmic structures is the largest?
Galaxy filaments are the largest known structures in the universe. They group galaxy superclusters, which in turn are formed by cluster composed of galaxies. Hercules–Corona Borealis Great Wall is considered the largest known structure of Universe. It is estimated to span 10 billions light years.
reach: rather globalastronomyspaceuniverse
+1 Very interesting! einstein
-1 Poorly written Lekshmy Arun
+3 Very interesting! globalquiz.org
Acceptable Anne Schoot