Staff Locations
Headquarters Headquarters, Cambridge, Massachusetts
Since its creation in 1973, the CfA has been headquartered in Cambridge, Massachusetts, where nearly 300 scientists and 400 supporting staff examine the origin and evolution of the Universe. The main building is located at 60 Garden Street (also home to the John G. Wolbach Library), but the CfA has expanded to three other Cambridge locations.
Fred Lawrence Whipple Observatory (FLWO) Fred Lawrence Whipple Observatory (FLWO), Amado, Arizona
Located at the base of Mt. Hopkins in the Santa Rita Mountains, 56 kilometers (35 miles) south of Tucson and just within the boundary of the Coronado National Forest, the Fred Lawrence Whipple Observatory is SAO's largest field station.
MMT Observatory MMT Observatory
A joint venture of the Smithsonian Institution and the University of Arizona, the MMT Observatory is located on the grounds of the FLWO. This innovative facility was recently coverted to house a single 6.5-meter mirror.
Submillimeter Array Submillimeter Array, Mauna Kea, Hawaii
The Submillimeter Array is an 8-element interferometer operating in the wavelength range of 0.3 to 2 millimeters, located atop (4080 m or 13,386 feet above sea level) Mauna Kea in Hawaii. It is a collaboration between SAO and the Institute of Astronomy and Astrophysics of the Academia Sinica of Taiwan.

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