Laniakea supercluster of galaxies
Scientist R. Brent Tully and colleagues mapped superclusters of galaxies to show us how tiny little our planet/planetary system is in comparison. “Galaxies congregate in clusters and along filaments, and are missing from large regions referred to as voids. These structures are seen in maps derived from spectroscopic surveys1, 2 that reveal networks of structure that are interconnected with no clear boundaries.”
A video exlains everything:
and if you want to dig deeper, here is the corresponding Nature-Artcile