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Deep long-period earthquakes discovered beneath Massif Central volcanoes

A recent study published in Geophysical Research Letters reveals atypical seismic signals beneath the volcanoes of the Massif Central. These signals, combined with the active presence of magma at depth, […]

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Ganymede and Callisto: frozen destinies with divergent origins

Two icy moons of Jupiter, although similar in size and proximity, have radically different internal structures. A new study suggests that this dichotomy has its origins in their formation, challenging […]

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Dawn Mission: two hypotheses on the origin of asteroid Vesta

A study published in Nature Astronomy reveals two hypotheses about the complex origin and structure of Vesta, the second largest body in the asteroid belt between Mars and Jupiter. Vesta, […]

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SVOM mission to study the most distant stellar explosions enters operational phase

The verification phase of this Franco-Chinese space mission, dedicated in particular to the detection and study of gamma-ray bursts, has come to an end with highly promising initial results. SVOM […]

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SHOCK REGIME WITH LOW-TEMPERATURE COOKING FOR LEES: SHAKE WELL BEFORE SERVING HOT!

The mechanical and thermal model (STM) of the Low-Energy Electron Spectrometer (LEES) instrument, for which IRAP is responsible, has successfully passed a series of environmental tests (temperature, vibration, and shock) […]

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THE SULPHUROUS IO, OBJECT OF ALL ATTENTIONS!

The study of the Jupiter system and the evolution of its moons toward habitability is at the heart of NASA’s extended Juno mission through 2025, and of the preparation of […]

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HiRISE: Length of day on a Jupiter-like exoplanet

Thanks to the HiRISE instrument, scientists from CNRS Terre & Univers have been able to characterize the young Jupiter-like exoplanet AF Lep b. Direct measurement of the light emitted by […]

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SPIRou discovers new super-Earth neighboring our solar system

An international team led by researchers from the Institut de Recherche en Astrophysique et Planétologie (1) in Toulouse, the Institut de Planétologie et d’Astrophysique de Grenoble (2) , the Laboratoire […]

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The contribution of sandy beaches to the oceanic silica cycle

Wave action at the coast significantly increases the dissolution rate of quartz grains on sandy beaches. By combining laboratory experiments and satellite observations, the global flow of silica to the […]