Called Uchuu, which is Japanese for “Outer Space,” the map doesn’t include Casseipoia or the moons of Neptune; instead, it’s a map of large-scale galaxies and galaxy clusters, all glued together by an invisible web of dark matter, which emits no electromagnetic radiation but still exerts a gravitational force upon the universe. 

https://www.livescience.com/simulation-universe-uchuu.html

These images show the dark matter halo of the largest galaxy cluster formed in the universe simulation at different magnifications. (Image credit: Tomoaki Ishiyama)

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