Description: Established in 1890, the Smithsonian Astrophysical Observatory was one of the earliest observatories to practice the "new astronomy," or astrophysics. Originally located behind the Smithsonian Institution Building, the Castle, in 1955, the Observatory moved to Cambridge, Massachusetts. Today, the Harvard-Smithsonian Center for Astrophysics has observing stations in Arizona,
Description: A brief history on the invention and implementation of microfilm and our acquisition of a new, modern microfilm reader/scanner that enables us to provide digital access to and enhance the quality of SIA’s microfilm collections.