COSI, the future gamma-ray space telescope selected by NASA
As part of its “Explorers” program, on October 18, 2021 NASA selected COSI (Compton Spectrometer & Imager) as the future space telescope, with a planned launch in 2025. COSI is […]
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A new success for the standard cosmological model
The joint analysis of the latest data from the Planck satellite and the properties of the very large catalogs of galaxies collected by the Sloan telescope support the model of […]
Mars: first results from the Perseverance rover
The Perseverance rover has now confirmed the suitability of its landing site: Jezero crater really did contain a lake, into which a river flowed through a delta 3.6 billion years […]
A new molecule detected in a proto-planetary disk
Understanding the composition of proto-planetary disks, which systematically accompany the formation of stars and are the cradles of planetary systems, remains a key step to elucidate the mechanisms of planet […]
Part of the Universe’s missing matter found thanks to the MUSE instrument
Galaxies can receive and exchange matter with their external environment thanks to the galactic winds created by stellar explosions. Thanks to the MUSE instrument (1) from the Very Large Telescope […]
Overview of the future Venusian mission EnVision
In about ten years, the European mission EnVision will set course for Venus to allow us to have, for the first time, a global vision of the planet. Indeed, we […]
THE ATMOSPHERE OF THE GIANT EXOPLANET TAU BOO B WAS INVESTIGATED WITH SPIROU
Using the SPIRou spectropolarimeter on the Canada-France-Hawaii Telescope (CFHT) in Hawaii, a team gathering core SPIRou scientists led by Stefan Pelletier, PhD student at Université de Montréal, studied the atmosphere of the gas giant exoplanet […]
InSight Mission: Mars unveiled
Using information obtained from around a dozen earthquakes detected on Mars by the Very Broad Band SEIS seismometer, developed in France, the international team of NASA’s InSight mission has unveiled […]
A simple way to make the continental crust
The earth’s continental crust is characterized by a composition strongly enriched in Si, Al and alkaline metals (a ‘felsic’ composition). But what is the origin of this crust? This question […]