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Planck Mission Brings ­niverse Into Sharp Focus


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Oldest light

This map shows the oldest light in our universe, as detected with the greatest precision yet by the Planck mission. The ancient light, called the cosmic microwave background, was imprinted on the sky when the universe was 370,000 years old.

Credit: ESA and the Planck Collaboration

The Planck space mission has released the most accurate and detailed map ever made of the oldest light in the universe, revealing new information about its age, contents and origins.

From Jet Propulsion Laboratory/NASA
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