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 Solar System/Planetary Sci (110) Exopla (109) Astronomy Educa (97) Star Formation & Evolu (93) Galaxy Formation & Evolu (86) Cosmo (83) Active Galactic Nu (67) GRBs (65) High-Energy Pheno (65) Supernovae (65) Interstellar Me (64) Galactic Structure & Stellar Populat (63) Astrobio (60) Clusters of Galaxies/Large-scale Struc (59) Heliophy (47) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division