Contact: Steve Koppes
University of Chicago
Caption: The South Pole Telescope takes advantage of the clear, dry skies at the National Science Foundation's South Pole Station to study the cosmic background radiation, the afterglow of the big bang. The SPT measures eight meters (26.4 feet) in diameter.
Credit: Photo by Jeff McMahon
Usage Restrictions: This image may be used by news organizations in reports describing the research of John Carlstrom and Scott Dodelson.
Related news release: Cosmologists aim to observe first moments of universe