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Cosmology & eXtragalactics

Welcome on the pages of the COSMology & eXtragalactics (COSM!X) team.

 

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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2 weeks 22 hours ago

Star-forming regions interact with their environment in massive galaxies
An international team of astronomers just witnessed how the sites of the most intense star formation in the early Universe communicate with their surroundings through rapid gas exchange. Their findings offer unprecedented insights into the most rapid evolutionary phase of massive galaxies, about 11 billion years ago.

5 months 3 weeks ago

In 2013, the Planck results showed, for the first time, a discrepancy in the cosmological parameters determined from the cosmic microwave background (CMB) and the number counts of galaxy clusters. This inconsistency was also confirmed by the 2015 Planck results and by independent weak lensing and X-ray observation analyses. Researchers at IAS performed a re-analysis, using the 2016 Planck results, and have shown that the CMB and galaxy cluster data now actually converge to the standard model of cosmology, with cold dark matter and a cosmological constant.

7 months 1 week ago

The Gruber Foundation announcement has just been posted on May 10 at 8 am local time (Yale time) : https://gruber.yale.edu/cosmology

The Gruber Foundation is pleased to present the 2018 Cosmology Prize to the Planck Team, and to Jean-Loup Puget and Nazzareno Mandolesi, the leaders of the HFI and LFI instrument consortia, for mapping the temperature and polarization of the cosmic microwave background radiation with the ESA Planck spacecraft.

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