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Astrochemistry and Origins

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Dernières news

3 months 6 days ago

The Astrochemistry and Origins team at IAS, in collaboration with the SMIS beam-line of the SOLEIL synchrotron, is starting the analysis of several Ryugu micrometric grains, in particular by Fourier transform infrared micro-tomography.

4 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!

 

11 months 1 week ago

On October 21st, 2020, the OSIRIS-REx spacecraft succeeded in touching asteroid Bennu to collect samples from the surface. Launched in September 2016 and in orbit since December 2018, it was doing a detailed survey of the surface to map and select the best sample collection site. OSIRIS-REx will deliver the samples to Earth in September 2023.

11 months 3 weeks ago

How to measure and visualize in 3D the composition and structure of a micrometric extraterrestrial grain without destroying it? Researchers from the "Astrochemistry and Origin" team of the IAS and from the SOLEIL synchrotron, in collaboration with two Japanese laboratories, have shown that this is possible. Coupling IR and X-ray micro-tomography the scientist analyzed samples from the asteroid Itokawa, collected by the Hayabusa probe (JAXA).

1 year 2 months ago

Frozen surfaces of small bodies in the outer Solar System are exposed to cosmic and solar energetic ions. Thanks to laboratory experiments, scientists from the “Astrochemistry and Origins” team at IAS and the Florida Space Institute (USA) estimated the alterations induced by ion irradiation on the methanol-rich surfaces of such objects.

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