<page_title> List of largest cosmic structures </page_title> <section_title> List of largest structures </section_title> <table> <cell> Perseus–Pegasus Filament (1985) <col_header> Structure name (year discovered) </col_header> </cell> <cell> A galaxy filament Contains Perseus-Pisces Supercluster <col_header> Notes </col_header> </cell> </table>
The Perseus-Pisces Supercluster is one of the largest structures.