Perseus–Pegasus Filament

The Perseus–Pegasus Filament is a galaxy filament containing the Perseus–Pisces Supercluster and stretching for over a billion light-years (or over 300/h Mpc). Currently, it is considered to be one of the largest known structures in the universe. As part of the larger Pisces–Cetus Supercluster Complex, this filament is adjacent to the Pisces–Cetus Superclusters, the core and most prominent component of the complex.


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