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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

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

Jupiter's deep abundances help to constrain the formation history of the planet and the environment of the protoplanetary nebula. Juno recently measured Jupiter's deep oxygen abundance near the equator to be 2.2$_{-2.1}^{+3.9}$ times the…

Earth and Planetary Astrophysics · Physics 2023-05-24 Thibault Cavalié , Jonathan Lunine , Olivier Mousis

Accurately understanding the interior structure of extra-solar planets is critical for inferring their formation and evolution. The internal density distribution of a planet has a direct effect on the star-planet orbit through the…

Astrophysics · Physics 2014-11-18 Darin Ragozzine , Aaron S. Wolf

Hot Jupiters might reside inside the Alfv\'en surface of their host star wind, where the stellar wind is dominated by magnetic energy. The implications of such a sub-Alfv\'enic environment for atmospheric escape are not fully understood.…

Earth and Planetary Astrophysics · Physics 2024-10-14 Andrés Presa , Florian A. Driessen , Aline A. Vidotto

Ultrahot Jupiters are ideal candidates to explore with high-resolution emission spectra. Detailed theoretical studies are necessary to investigate the range of spectra we can expect to see from these objects throughout their orbit, because…

Earth and Planetary Astrophysics · Physics 2022-09-20 Hayley Beltz , Emily Rauscher , Eliza M. -R Kempton , Isaac Malsky , Grace Ochs , Mireya Arora , Arjun Savel

The inflated radii of giant short-period extrasolar planets collectively indicate that the interiors of hot Jupiters are heated by some anomalous energy dissipation mechanism. Although a variety of physical processes have been proposed to…

Earth and Planetary Astrophysics · Physics 2022-02-11 Henrik Knierim , Konstantin Batygin , Bertram Bitsch

Hot Jupiter atmospheres exhibit fast, weakly-ionized winds. The interaction of these winds with the planetary magnetic field generates drag on the winds and leads to ohmic dissipation of the induced electric currents. We study the magnitude…

Earth and Planetary Astrophysics · Physics 2015-05-20 Rosalba Perna , Kristen Menou , Emily Rauscher

Updated formation and structure models of Jupiter predict a metal-poor envelope. This is at odds with the two to three times solar metallicity measured by the Galileo probe. Additionally, Juno data imply that water and ammonia are enriched.…

Earth and Planetary Astrophysics · Physics 2024-03-26 Simon Müller , Ravit Helled

The JUNO mission to Jupiter is planned to measure the water abundance in Jupiter's atmosphere below the cloud layer. This measurement is important because it can be used to reveal valuable information on Jupiter's origin and its…

Earth and Planetary Astrophysics · Physics 2015-06-19 Ravit Helled , Jonathan Lunine

Physical conditions in the atmospheres of tidally-locked, slowly-rotating hot Jupiters correspond to dynamical circulation regimes with Rhines scales and Rossby deformation radii comparable to the planetary radii. Consequently, the large…

Astrophysics · Physics 2009-11-11 Emily Rauscher , Kristen Menou , James Y-K. Cho , Sara Seager , Brad Hansen

Magnetic fields, which are undoubtedly present in extragalactic jets and responsible for the observed synchrotron radiation, can affect the morphology and dynamics of the jets and their interaction with the ambient cluster medium. We…

High Energy Astrophysical Phenomena · Physics 2012-09-13 V. Gaibler , M. Krause , M. Camenzind

Because of their intense incident stellar irradiation and likely tidally locked spin states, hot Jupiters are expected to have wind speeds that approach or exceed the speed of sound. In this work we develop a theory to explain the magnitude…

Earth and Planetary Astrophysics · Physics 2020-05-05 Daniel D. B. Koll , Thaddeus D. Komacek

Jupiter's atmosphere comprises several dynamical regimes: the equatorial eastward flows and surrounding retrograde jets; the midlatitudes, with the eddy-driven, alternating jet-streams and meridional circulation cells; and the jet-free…

Earth and Planetary Astrophysics · Physics 2023-12-19 Keren Duer , Eli Galanti , Yohai Kaspi

The physical shape of a giant planet can reveal important information about its centrifugal potential, and therefore, its rotation. In this paper I investigate the response of Jupiter's shape to differential rotation on cylinders of various…

Earth and Planetary Astrophysics · Physics 2015-05-27 Ravit Helled

Through the process of thermal ionization, intense stellar irradiation renders Hot Jupiter atmospheres electrically conductive. Simultaneously, lateral variability in the irradiation drives the global circulation with peak wind speeds of…

Earth and Planetary Astrophysics · Physics 2015-06-16 Konstantin Batygin , Sabine Stanley , David J. Stevenson

Close orbits by a Uranus Orbiter and Probe (UOP) could be used to deduce Uranus's multipolar gravity field to higher precision and angular degree than the J2 and J4 currently measured from ground-based ring occultations and the Voyager 2…

Earth and Planetary Astrophysics · Physics 2025-11-13 Christopher R. Mankovich , Marzia Parisi , Damon F. Landau , Janosz W. Dewberry

The radii of hot Jupiters are still not fully understood and all of the proposed explanations are based on the idea that these close-in giant planets possess hot interiors. We approach the radius anomaly problem by adopting a statistical…

Earth and Planetary Astrophysics · Physics 2021-01-20 Paula Sarkis , Christoph Mordasini , Thomas Henning , Gabriel D. Marleau , Paul Mollière

Detection of radio emission from Jupiter was identified quickly as being due to its planetary-scale magnetic field. Subsequent spacecraft investigations have revealed that many of the planets, and even some moons, either have or have had…

Earth and Planetary Astrophysics · Physics 2024-06-25 T. Joseph W. Lazio

Jupiter's satellite auroral footprints are a consequence of the interaction between the Jovian magnetic field with co-rotating iogenic plasma and the Galilean moons. The disturbances created near the moons propagate as Alfv\'en waves along…

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