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Related papers: Constraining Jupiter's internal flows using Juno m…

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The Juno mission has provided measurements of Jupiter s gravity field with an outstanding level of accuracy, leading to better constraints on the interior of the planet. Improving our knowledge of the internal structure of Jupiter is key to…

Earth and Planetary Astrophysics · Physics 2023-03-29 S. Howard , T. Guillot , M. Bazot , Y. Miguel , D. J. Stevenson , E. Galanti , Y. Kaspi , W. B. Hubbard , B. Militzer , R. Helled , N. Nettelmann , B. Idini , S. Bolton

Jupiter and Saturn exhibit alternating east-west jet streams as seen from surface. The origin of these zonal flows has been debated for decades. The high-precision gravity measurements by Juno mission and the grand finale of Cassini mission…

Earth and Planetary Astrophysics · Physics 2024-08-06 Shanshan Xue , Yufeng Lin

We construct models for Jupiter's interior that match the gravity data obtained by the Juno and Galileo spacecrafts. To generate ensembles of models, we introduce a novel quadratic Monte Carlo technique that is more efficient in confining…

Earth and Planetary Astrophysics · Physics 2023-08-10 Burkhard Militzer

The observed zonal winds at Jupiter's cloud tops have been shown to be closely linked to the asymmetric part of the planet's measured gravity field. However, other measurements suggest that in some latitudinal regions the flow below the…

Earth and Planetary Astrophysics · Physics 2021-04-22 E. Galanti , Y. Kaspi , K. Duer , L. Fletcher , A. P. Ingersoll , C. Li , G. S. Orton , T. Guillot , S. M. Levin , S. J. Bolton

The Juno spacecraft has measured Jupiter's low-order, even gravitational moments, $J_2$--$J_8$, to an unprecedented precision, providing important constraints on the density profile and core mass of the planet. Here we report on a selection…

Earth and Planetary Astrophysics · Physics 2017-07-10 S. M. Wahl , W. B. Hubbard , B. Militzer , T. Guillot , Y. Miguel , N. Movshovitz , Y. Kaspi , R. Helled , D. Reese , E. Galanti , S. Levin , J. E. Connerney , S. J. Bolton

The Juno spacecraft provides a unique opportunity to explore the mechanisms generating Jupiter's aurorae. Past analyses of Juno data immensely advanced our understanding of its auroral acceleration processes, however, few studies utilized…

Earth and Planetary Astrophysics · Physics 2025-07-04 A. Salveter , J. Saur , G. Clark , A. Sulaiman , B. H. Mauk , J. E. P. Connerney , B. Bonfond

Results from Juno's microwave radiometer indicate non-uniform mixing of ammonia vapor in Jupiter's atmosphere down to tens of bars, far beneath the cloud level. Helioseismic observations suggest solar convection may require narrow,…

Earth and Planetary Astrophysics · Physics 2023-06-28 S. Markham , T. Guillot , C. Li

An observation of Jupiter's tidal response is anticipated for the on-going Juno spacecraft mission. We combine self-consistent, numerical models of Jupiter's equilibrium tidal response with observed Doppler shifts from the Juno gravity…

Earth and Planetary Astrophysics · Physics 2020-03-11 Sean M Wahl , Marzia Parisi , William M Folkner , William B Hubbard , Burkhard Militzer

While Jupiter's massive gas envelope consists mainly of hydrogen and helium, the key to understanding Jupiter's formation and evolution lies in the distribution of the remaining (heavy) elements. Before the Juno mission, the lack of…

Knowing the composition of Jupiter's atmosphere is crucial for constraining Jupiter's bulk metallicity and formation history. Yet, constraining Jupiter's atmospheric water abundance is challenging due to its potential non-uniform…

Earth and Planetary Astrophysics · Physics 2025-10-01 Huazhi Ge , Cheng Li , Xi Zhang , Andrew P. Ingersoll , Sihe Chen

Heavy elements, even though its smaller constituent, are crucial to understand Jupiter formation history. Interior models are used to determine the amount of heavy elements in Jupiter interior, nevertheless this range is still subject to…

Earth and Planetary Astrophysics · Physics 2016-12-14 Yamila Miguel , Tristan Guillot , Lucile Fayon

The Juno mission has revolutionized and challenged our understanding of Jupiter. As Juno transitioned to its extended mission, we review the major findings of Jupiter's internal structure relevant to understanding Jupiter's formation and…

All four giant planets in the Solar System feature zonal flows on the order of 100 m/s in the cloud deck, and large-scale intrinsic magnetic fields on the order of 1 Gauss near the surface. The vertical structure of the zonal flows remains…

Earth and Planetary Astrophysics · Physics 2017-06-21 Hao Cao , David J. Stevenson

In anticipation of new observational results for Jupiter's axial moment of inertia and gravitational zonal harmonic coefficients from the forthcoming Juno orbiter, we present a number of preliminary Jupiter interior models. We combine…

Earth and Planetary Astrophysics · Physics 2016-04-06 W. B. Hubbard , B. Militzer

The Juno mission is delivering spectacular data of Jupiter's magnetic field, while the gravity measurements finally allow constraining the depth of the winds observed at cloud level. However, to which degree the zonal winds contribute to…

Earth and Planetary Astrophysics · Physics 2019-04-17 Johannes Wicht , Thomas Gastine , Lucia D. V. Duarte

The moment of inertia of a giant planet reveals important information about the planet's internal density structure and this information is not identical to that contained in the gravitational moments. The forthcoming Juno mission to…

Earth and Planetary Astrophysics · Physics 2015-05-30 Ravit Helled , John D. Anderson , Gerald Schubert , David J. Stevenson

This article provides an overview of how models of giant planet interiors are constructed. We review measurements from past space missions that provide constraints for the interior structure of Jupiter. We discuss typical three-layer…

Earth and Planetary Astrophysics · Physics 2016-10-19 Burkhard Militzer , Francois Soubiran , Sean M. Wahl , William Hubbard

The recent gravity field measurements of Jupiter (Juno) and Saturn (Cassini) confirm the existence of deep zonal flows reaching to a depth of 5\% and 15\% of the respective radius. Relating the zonal wind induced density perturbations to…

Earth and Planetary Astrophysics · Physics 2021-07-07 Wieland Dietrich , Paula Wulff , Johannes Wicht , Ulrich R. Christensen

The interaction between Jupiter's magnetosphere and the solar wind is not well-constrained: while internal energetic plasma processes are thought to dominate plasma circulation, the solar wind nonetheless exerts significant control over the…

Jupiter's magnetic field is generated by the convection of liquid metallic hydrogen in its interior. The transition from molecular hydrogen to metallic hydrogen as temperature and pressure increase is believed to be a smooth one. As a…

Earth and Planetary Astrophysics · Physics 2019-12-20 Yue-Kin Tsang , Chris A. Jones