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CASTECH INC - New Building the Bridge of Light

The BOSS proves it can do the job with quasars

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BERKELEY, Calif., May 4, 2011 — The biggest 3-D map of the distant universe ever made, using light from 14,000 quasars, has been constructed by scientists with the third Sloan Digital Sky Survey (SDSS-III). The map is the first major result from the Baryon Oscillation Spectroscopic Survey (BOSS), SDSS-III's largest survey. BOSS is the first attempt to use baryon acoustic oscillation (BAO) as a precision tool to measure dark energy. Baryon oscillation refers to how matter clumps in a regular way throughout the universe, a physical manifestation of the expansion of the universe. Until now, 3-D maps showing this...Read full article

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    Published: May 2011
    AmericasAnže Slosarbaryon acoustic oscillationBaryon Oscillation Spectroscopic SurveyBigBOSSBill CarithersBrookhaven National LaboratoryCaliforniacosmologydark energyDavid SchlegelhydrogenImagingindustrialLawrence Berkeley National LaboratoryLyman-alpha forestNew MexicoNew YorkquasarsredshiftsResearch & TechnologySDSS-IIISloan Digital Sky SurveySloan Telescopeuniverse mapping

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