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Our research reaches from the primordial fluctuations in the Universe down to its structuration at the largest scales in the most recent era. We study how the cosmic web elements are forming and evolving both through modelling and observations.


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7 years 4 weeks ago

The Planck consortium has published a statistical analysis of the dust polarization towards the regions of the sky best suited to measure Cosmic Microwave Background polarization. This work shows that dust polarization is significant over all of the sky, and that the signature of cosmic inflation will not be detected unless contamination associated with the dusty and magnetized interstellar medium in the Galaxy is removed with the required accuracy and confidence.

7 years 1 month ago

Jean-Loup Puget, Directeur de Recherche at CNRS, working at Institut d'Astrophysique Spatiale, has received the 2014 Space Science Award of COSPAR (Committee on Space Research). This Award honors a scientist who has made outstanding contributions to space science.

7 years 5 months ago

Our Galaxy’s magnetic field is revealed in a new image from ESA’s Planck satellite. This image was compiled from the first all-sky observations of ‘polarised’ light emitted by interstellar dust in the Milky Way.


8 years 6 hours ago

Since the 14th of August, the Planck satellite has departed from its observing orbit. This was the first of a series of steps followed by the switching off, on the 19th of October, of the science instruments on board: HFI (High Frequency Instrument) and LFI (Low Frequency Instrument). On Wednesday the 23rd of October, that is 1624 days after launch, communication with the Planck satellite ceased.