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 (6) Astrobio (3) Astronomy Educa (3) Exopla (2) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galaxy Formation & Evolu (1) Interstellar Me (1) Star Formation & Evolu (1) State Facet State City Berkeley (2) La Crescenta (1) Pasadena (3) San Francisco (1) South Pasadena (1) Facet City Membership Class Facet Membership Class Division Facet Division