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 (5) Galaxy Formation & Evolu (5) Clusters of Galaxies/Large-scale Struc (4) Active Galactic Nu (3) GRBs (3) High-Energy Pheno (3) Supernovae (3) Galactic Structure & Stellar Populat (2) Interstellar Me (2) Solar System/Planetary Sci (2) Astrobio (1) Astronomy Educa (1) State CA (1) HaMerkaz HM (1) NY (1) Facet State City Baltimore (1) COLUMBUS (1) Delanco (1) Marlton (1) Newark (1) Piscataway (2) Union (1) Facet City Membership Class Facet Membership Class Division Facet Division