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Powerful camera seeks snapshots of dark energy (3:03) 

Nov. 09 - The most powerful sky-mapping instrument ever built is about to embark on a far-reaching survey of deepest space to find evidence of the theoretical force called Dark Energy. From a high plateau in Chile, the Dark Energy Camera is being pointed billions of light years into the cosmos in an effort by astronomers to answer questions about Dark Energy's influence over the expansion of our universe. Elly Park reports.

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