Which of the following cosmic structures is the largest?
Galaxy
Galaxy filament
Galaxy cluster
Supercluster
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.
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Answers by country
Galaxy
Galaxy filament
Galaxy cluster
Supercluster
answers
Austria
31
the United States
104
Pakistan
12
France
10
the Philippines
13
Switzerland
11
Poland
4607
the United Kingdom
52
Germany
169
India
159
Australia
14
Greece
14