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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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December 26, 2008
X-Ray Emission from Young Stars
A newly-formed star usually has a disk of gas and dust around it. This disk (the source of possible future planets) can generate intense X-ray radiation as its material falls onto the star's surface.
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December 19, 2008
Dark Energy is Now a Little Less Dark
Eleven years ago this winter two teams of astronomers, one of them led by CfA scientists, astonished the world with their announcement that the universe would expand forever.
Read More...
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