NOAO/Fermilab: Dark Energy Survey begins five-year mission to map southern sky in tremendous detail

Tonight, as the sun sinks below the horizon, the world’s most powerful digital camera will once again turn its gleaming eye skyward. Tonight, and for hundreds of nights over the next five years, a team of physicists and astronomers from around the globe, working from an observatory in Chile, will use this remarkable machine to try to answer some of the most fundamental questions about our universe.

On Aug. 31, the Dark Energy Survey (DES) officially began. Scientists on the survey team will systematically map one-eighth of the sky (5000 square degrees) in unprecedented detail. The start of the survey is the culmination of ten years of planning, building, and testing by scientists from 25 institutions in six countries.

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