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Front cover image - large version

Volume 67, Issue 4, April 2014

cover: The Dark Energy Survey will conduct a five-year census of galaxies and stars over a full eighth of the night sky in an effort to understand what is driving the accelerating expansion of the cosmos. The survey will be carried out by the 570-megapixel Dark Energy Camera, photographed here in its black housing on the Victor M. Blanco Telescope in Chile. Josh Frieman’s article on page 28 describes the science underlying the survey and some of the camera’s advanced technology.

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Scitation: Physics Today - Print edition - Volume 67 Issue 4
http://aip.metastore.ingenta.com/content/aip/magazine/physicstoday/67/4
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