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 Astrobio (3) Interstellar Me (3) Solar System/Planetary Sci (3) Active Galactic Nu (2) Clusters of Galaxies/Large-scale Struc (2) Cosmo (2) Galaxy Formation & Evolu (2) Star Formation & Evolu (2) Exopla (1) Galactic Structure & Stellar Populat (1) State Facet State City Acton (1) Cambridge (6) Lexington (1) Lowell (1) Medford (1) Pukalani (1) Shrewsbury (1) Westfield (1) Facet City Membership Class Facet Membership Class Division Facet Division