galaxy filament, supercluster complex, great wall massive, thread-like formation of gravitationally bound galaxies forming the boundaries between large voids in the universe
galaxy filament, supercluster complex, great wall massive, thread-like formation of gravitationally bound galaxies forming the boundaries between large voids in the universe
galaxy filament, supercluster complex, great wall massive, thread-like formation of gravitationally bound galaxies forming the boundaries between large voids in the universe