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: The Smithsonian Institution Archives recently acquired the papers of Ursula Marvin, a Smithsonian Astrophysical Observatory geologist who has studied meteorites and lunar samples.
Description: Each week, the Archives features a woman who has been a groundbreaker at the Smithsonian, past or present, in a series titled Wonderful Women Wednesday.