Description: The postcards in this gallery are from observatories associated with the Smithsonian. The Smithsonian Astrophysical Observatory established in 1890 in Cambridge, Massachusetts, is one of the Smithsonian’s research centers. Together with the Harvard College Observatory, it forms the Harvard-Smithsonian Center for Astrophysics.The Mt. Wilson Observatory opened in the early
Description: In 1982, the Smithsonian Institution paid homage to the birth of the 32nd president of the United States, Franklin Delano Roosevelt, born January 30, 1882, through six new exhibits.