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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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November 28, 2008
Ultra-Luminous Infrared Galaxies
Ultraluminous infrared galaxies ("ULIRGs") shine with the luminosity of one hundred or more Milky Way galaxies. Their most striking feature, however, is not their tremendous energy output but the fact that nearly all of their radiation is invisible, lying at infrared wavelengths.
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November 21, 2008
Colliding Galaxies in the Early Universe
The universe contains many fabulously luminous galaxies, some of them more than a thousand times brighter than our own Milky Way.
Read More...
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