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
flagAustria
12%
51%
9%
25%
31
flagthe United States
6%
45%
9%
38%
104
flagPakistan
0%
41%
25%
33%
12
flagFrance
10%
40%
10%
40%
10
flagthe Philippines
23%
38%
0%
38%
13
flagSwitzerland
36%
36%
0%
27%
11
flagPoland
26%
27%
3%
41%
4607
flagthe United Kingdom
13%
26%
13%
46%
52
flagGermany
30%
20%
16%
32%
169
flagIndia
10%
16%
15%
57%
159
flagAustralia
14%
14%
21%
50%
14
flagGreece
21%
14%
28%
35%
14