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Cosmology

Welcome on the pages of the Cosmology 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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3 months 1 week ago

On 17 June 2021, the International Space Station (ISS) will fly over the Orsay campus of Université Paris-Saclay. To mark the occasion, a radio contact lasting approximately 10 minutes will be organised with Thomas Pesquet, live from the ISS. A unique opportunity to follow the conversation between the astronaut and secondary school and university students!

 

10 months 4 days ago

Astrophysicists consider that around 40% of the ordinary matter that makes up stars, planets and galaxies remains undetected, concealed in the form of a hot gas in the complex cosmic web. Today, IAS scientists may have detected, for the first time, this hidden matter through an innovative statistical analysis of 20-year-old data.

1 year 1 month ago

The Planck collaboration has just published its last series of articles, for a total of 164. These papers have been cited more than 90,000 times, which demonstrates the long lasting influence of this experiment for cosmology, including the study of the mass of neutrinos, the density of dark matter, the characteristics of primordial fluctuations, the formation and evolution of galaxies and clusters or even the magnetic field of the Milky Way.

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