His work in galactic structure, astrophysics and the history of astronomy was of international renown and won him an honorary degree from Harvard University in 1936, as well as the Gold Medal of the Royal Astronomical Society in 1951.
Royal Navy | Royal Air Force | Medal of Honor | Royal Dutch Shell | Society of Jesus | Royal Society | Royal Albert Hall | ATP International Series Gold | National Geographic Society | Royal Shakespeare Company | Royal Opera House | gold | Royal Victorian Order | Royal Engineers | Royal Australian Navy | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | Royal Court Theatre | Royal Marines | Gold Coast | American Cancer Society | Royal Commission | Gold | California Gold Rush | Meritorious Service Medal (United States) | Royal Academy of Music | Anne, Princess Royal | Royal Philharmonic Orchestra | Meritorious Service Medal |
She was also only the third female recipient of its Gold Medal (in 2005, following Caroline Herschel in 1828 and Vera Rubin in 1996).