Sloan Digital Sky Survey

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Sloan Digital Sky Survey

(slohn) (SDSS) A survey mapping one-quarter of the entire sky, using a dedicated telescope at the Apache Point Observatory. It will determine the position and magnitude of more than 100 million objects, and measure the distance to more than a million galaxies and quasars.
References in periodicals archive ?
The most exciting candidates, says Blanton, are those for which the Sloan pictures look dark, hinting that the radio signal could be coming from a cluster so distant that the Sloan Survey telescope can't see it at all.
In coming years, the Sloan survey will continue to provide larger galaxy maps--and more voids.
But in the span of only five years, Brunner and Hacker saw measurable shifts in a small but substantial number of the giant gas clouds mapped by the Sloan Survey.
The Sloan Survey shows that, "most survey respondents do not consider sustainability-related topics to be one of the top three business challenges their company faces in the next two years," according to Haanaes.
This study, like the national Sloan Survey of Online Education, addresses fundamental questions about the nature and extent of online education.
Nearly 300 institutions that lack online course offerings reported increased student demand that they begin such offerings, according to the Sloan survey.
5 million college students were enrolled in online courses this past semester, according to the 2007 Sloan Survey of Online Learning, which surveyed more than 2,500 schools.
org) describes how to differentiate between the two galaxy shapes, then lets visitors view previously unstudied images from the Sloan survey.
According to the 2010 Sloan Survey of Online Learning, the number of students taking at least one online course continued to expand faster than overall higher education enrollments.
The Sloan survey recently uncovered more than a dozen of these star-starved galaxies in our Milky Way's neighbourhood while scanning just a quarter of the sky.
A 2008 Sloan survey will ask "whether gas prices have impacted .