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The Smithsonian Astrophysical Observatory (SAO) is a "research institute" of the Smithsonian Institution. It is joined with the Harvard College Observatory (HCO) to form the Harvard-Smithsonian Center for Astrophysics (CfA). Because these research activities share Harvard and Smithsonian staff and resources, the links at this website will take you to information posted on the "CfA" pages.
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Weekly Science Updates
May 24, 2013Einstein's ExoplanetEight hundred and eighty nine exoplanets (planets around stars other than our Sun) have been discovered to date. Most of them were found using the Kepler satellite, which spots small dips in a star's light as an orbiting planet periodically blocked our view (a "transit"). Read More...
May 03, 2013Effective TeachersEverybody wants teachers to be knowledgeable, but there is little
agreement on what kinds of knowledge are the most important. Read More...
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| Our Solar System | Stars, Planets & Origins | |
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| Galaxies | Cosmology | |
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| Laboratory Astrophysics | Extreme Astrophysics |
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