Filaments and walls

Tags: #[[observable universe]]
In physical cosmology, galaxy filaments (subtypes: supercluster complexes, galaxy walls, and galaxy sheets)(https://en.wikipedia.org/wiki/Galaxy_filament#cite_note-astro-ph.2F9602090-1)(https://en.wikipedia.org/wiki/Galaxy_filament#cite_note-2001ASPC..232..108C-2) are the largest known structures in the universe. They are massive, thread-like formations, with a typical length of 50 to 80 megaparsecs *h*−1 (163 to 261 million light-years) that form the boundaries between large voids in the universe.(https://en.wikipedia.org/wiki/Galaxy_filament#cite_note-3) Filaments consist of gravitationally bound galaxies. Parts wherein many galaxies are very close to one another (in cosmic terms) are called superclusters.

40208db4e5ac433ba95ca6ba8922fedc