Astrochemistry and Origins

Interstellar Matter and Cosmology

Stellar and Solar Physics

Solar and Planetary Systems

Latest News

1 month 4 days ago

A study in which IAS participated has just revealed the presence of new molecules on the surface of Charon, Pluto's largest moon, thanks to observations from the James Webb Space Telescope (JWST). While a NASA mission, New Horizons, had already mapped this moon in 2015, recent observations by JWST have detected carbon dioxide and hydrogen peroxide on its surface for the first time, enriching our understanding of its chemical composition.

1 month 3 weeks ago

Congratulations to Marion Zannese on winning the Prix Jeunes Talents France For Women In Science 2024 from the L'Oréal-UNESCO Foundation!

Marion Zannese, who defended her thesis on 26 September entitled ‘High excitation of molecules in irradiated regions of star and planetary formation observed with the James Webb Space Telescope’, under the supervision of Émilie Habart and Benoit Tabone, is now a post-doctoral fellow at the IAS, where she will continue her work on the study of irradiated regions of star and planetary formation with the JWST.

2 months 1 week ago

Stefano Gallo, Cosmology team, defended his thesis entitled ‘On Galaxy Cluster modelling in the context of Cosmological analyses’, under the supervision of Nabila Aghanim and Marian Douspis. He is now a new doctor at the Université Paris-Saclay, and will be heading for Germany. Congratulations to him!

 
 
 

5 months 1 week ago

A large observing program of the James Webb Space Telescope has recently provided the first comprehensive view of Trans-Neptunian Objects (TNOs), the small primitive bodies of the outer solar system, orbiting beyond Neptune, from which some comets originate. Observations of 59 objects obtained with the NIRSpec instrument have been analyzed by an international research team involving the Institut d'Astrophysique Spatiale. The infrared spectra reveal the first-ever detections of CO₂ and CO ices on small bodies in the outer solar system.

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