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) Exopla (3) Astronomy Educa (2) Star Formation & Evolu (2) GRBs (1) Supernovae (1) (-) High-Energy Pheno (1) State CO (1) PA (1) (-) CA (1) Facet State City San Ramon (1) Facet City Membership Class E (1) F (3) Full Member (1) GR (3) JR (1) (-) Full Emeritus Member (1) Facet Membership Class Division HEAD (2) HAD (1) (-) DPS (1) Facet Division Showing 1-1 of 1 results Cynthia Cheung Full Emeritus Member Affiliation NASA's GSFC State/Province CA Country United States