Planck's Cosmic Map Reveals Universe Older, Expanding More Slowly

Like archaeologists sifting through the dust of ancient civilizations, scientists with the ESA Planck mission today showed a map of the oldest light in the Universe. The first cosmology results of the mission suggest our Universe is slightly older and expanding more slowly than previously thought.

An artists animation depicting the "life" of a photon, or a particle light, as it travels across space and time from the beginning of the Universe to the detectors of the Planck telescope. Credit: NASA