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30 juin 2017 Tout le mois

Tristan Guillot (Observatoire de la Cote d’Azur) — Probing the interior of Jupiter : First results from Juno

Vendredi 30 juin 11:00-12:00 - Amphi

Abstract : Since July 2016, Juno is in orbit around Jupiter. Its goal is to probe the interior structure of the planet to understand its composition, dynamics, magnetic field and provide crucial constraints to understand the formation of the Solar System. I will present the results obtained after the first two perijoves, which include a deep atmosphere which is much more complex than anticipated, a more variable magnetic field and a highly accurate gravity field measurement. The latter enables the calculation of new interior models pointing to an envelope which is probably not homogeneously mixed. This has important consequences for the formation of the planet.

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