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 Cosmo (2) Galaxy Formation & Evolu (2) Active Galactic Nu (1) Astronomy Educa (1) Clusters of Galaxies/Large-scale Struc (1) State MI (1) Facet State City Facet City Membership Class Full Member (2) Facet Membership Class Division Facet Division