Astronomy Answers
Universe Family Tree: Filament


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Type
:
Universe
─── 
Filament
─── 
Supercluster
Size
:
4200 Mpc
─── 
150 Mpc
─── 
70 Mpc
Earth
:
Universe
─── 
filament
─── 
Local Supercluster

Galaxies are not spread randomly through the Universe, but are concentrated into thread-like structures called filaments, which typically have a length of 70 to 150 Mpc. The filaments form the boundaries between different voids. Parts of filaments where many galaxies are relatively close to one another are called superclusters.



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Last updated: 2016-02-07