Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galaxy Formation & Evolu (1) State Facet State City Baltimore (1) Melbourne (1) Newark (1) Piscataway (1) Facet City Membership Class Full Member (4) Facet Membership Class Division Facet Division