The following news release is being issued by the Sloan Digital Sky Survey-III (SDSS-III) collaboration, which operates one of the world's largest digital cameras. Scientists at the U.S. Department of Energy's Brookhaven National Laboratory work on one of four SDSS-III projects, called the Baryon Oscillation Spectroscopic Survey (BOSS).
14,000 quasars shine a light on the distant universe
ANAHEIM — Scientists from the Sloan Digital Sky Survey (SDSS-III) have created the largest ever three-dimensional map of the distant universe by using the light of the brightest objects in the cosmos to illuminate ghostly clouds of intergalactic hydrogen. The map provides an unprecedented view of what the universe looked like 11 billion years ago.