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Planck: the Early Universe in Focus
Data from the European Space Agency's (ESA) Planck satellite has allowed researchers to create the latest map of the Universe. It shows fossil radiation, the oldest light in the Universe, but with new information: the polarization of this radiation.
Karim Benabed, institut d'astrophysique de Paris (IAP)
Nabila Aghanim, institut d'astrophysique spatiale (IAS)