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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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| Research | Weekly Science Update | |||||||||||||||||||||||||||||||||||||||
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May 07, 2008
The Orion Nebula Star Cluster
Most stars form in clusters, sometimes with ten thousand or more stars packed into a volume smaller than a few light-years in radius.
Read More...
April 30, 2008
Cold but Luminous
Over the past two decades astronomers have come to realize that many galaxies are fabulously luminous -- some are more than a thousand times brighter than our Milky Way.
Read More...
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