Smithsonian Astrophysical Observatory

Cambridge, MA

The Smithsonian Astrophysical Observatory is a research institute of the Smithsonian Institution, concentrating on astrophysical studies including galactic and extragalactic astronomy, cosmology, solar, earth and planetary sciences, theory and instrumentation, using observations at wavelengths from the highest energy gamma rays to the radio, along with gravitational waves. Established in Washington, D.C., in 1890, the SAO moved its headquarters in 1955 to Cambridge, Massachusetts, where its research is a collaboration with the Harvard College Observatory and the Harvard University Department of Astronomy.

From Wikipedia, CC BY-SA 4.0