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 Star Formation & Evolu (21) Astronomy Educa (19) Galaxy Formation & Evolu (18) Solar System/Planetary Sci (15) Cosmo (14) Interstellar Me (14) Active Galactic Nu (13) Heliophy (13) Galactic Structure & Stellar Populat (12) Exopla (11) GRBs (10) High-Energy Pheno (10) Supernovae (10) Clusters of Galaxies/Large-scale Struc (9) Astrobio (4) State Facet State City Facet City Membership Class Facet Membership Class Division Facet Division