SAO meaning in Space Science ?

Answer: What is Smithsonian Astrophysical Observatory mean?

The Smithsonian Astrophysical Observatory (SAO) 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 (HCO) and the Harvard University Department of Astronomy. In 1973, the Smithsonian and Harvard formalized the collaboration as the Center for Astrophysics | Harvard & Smithsonian (CfA) under a single Director.

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Surface Aviation Observation	Academic & Science
Smithsonian Astrophysics Observatory	Academic & Science
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Société des Antiquaires de l'Ouest	Academic & Science
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Smithsonian Astrophysical Observatory	Space Science