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 (5) Galactic Structure & Stellar Populat (4) Galaxy Formation & Evolu (4) Star Formation & Evolu (4) Active Galactic Nu (3) Astronomy Educa (3) Interstellar Me (3) Clusters of Galaxies/Large-scale Struc (2) Cosmo (2) Heliophy (2) Astrobio (1) Exopla (1) GRBs (1) Supernovae (1) (-) High-Energy Pheno (1) State AB (1) AZ (1) GA (1) MA (1) NY (1) WA (1) (-) CA (1) Facet State City San Ramon (1) Facet City Membership Class Full Member (2) Graduate Student (3) (-) Full Emeritus Member (1) Facet Membership Class Division HEAD (4) DPS (2) SPD (2) DDA (1) LAD (1) (-) HAD (1) Facet Division Showing 1-1 of 1 results Cynthia Cheung Full Emeritus Member Affiliation NASA's GSFC State/Province CA Country United States