Cassini imaging of Jupiter's atmosphere, satellites, and rings.
Carolyn Porco,Robert A. West,Alfred S. McEwen,Anthony D. Del Genio,Andrew P. Ingersoll,Peter C. Thomas,S. W. Squyres,Luke Dones,Carl D. Murray,Torrence V. Johnson,Joseph A. Burns,André Brahic,Gerhard Neukum,Joseph Veverka,J. Barbara,Tilmann Denk,Michael W. Evans,Joseph Ferrier,Paul Geissler,Paul Helfenstein,Thomas Roatsch,Henry B. Throop,Matthew S. Tiscareno,Ashwin R. Vasavada +23 more
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Findings on Jupiter's zonal winds, convective storms, low-latitude upper troposphere, polar stratosphere, and northern aurora are reported, including previously unseen emissions arising from Io and Europa in eclipse, and a giant volcanic plume over Io's north pole are described.Abstract:
The Cassini Imaging Science Subsystem acquired about 26,000 images of the Jupiter system as the spacecraft encountered the giant planet en route to Saturn. We report findings on Jupiter's zonal winds, convective storms, low-latitude upper troposphere, polar stratosphere, and northern aurora. We also describe previously unseen emissions arising from Io and Europa in eclipse, a giant volcanic plume over Io's north pole, disk-resolved images of the satellite Himalia, circumstantial evidence for a causal relation between the satellites Metis and Adrastea and the main jovian ring, and information on the nature of the ring particles.read more
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Euler equations on a fast rotating sphere --- time-averages and zonal flows
Bin Cheng,Alex Mahalov +1 more
TL;DR: In this article, the authors investigated the PDE-analytical aspects of time-averages for barotropic, inviscid flows on a fast rotating sphere and proved that the finite-time average of the solution stays close to a subspace of zonal flows.
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Explaining Jupiter's magnetic field and equatorial jet dynamics
TL;DR: In this paper, the authors present a numerical dynamo that matches the structure and strength of the observed magnetic field by embracing the newest models for Jupiter's interior, and predicts that secondary dynamo action associated to the equatorial jet produces banded magnetic features likely observable by the Juno mission.
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First measurements of Jupiter’s zonal winds with visible imaging spectroscopy
Ivan Gonçalves,F. X. Schmider,Patrick Gaulme,Patrick Gaulme,Patrick Gaulme,Raul Morales-Juberias,Tristan Guillot,Jean-Pierre Rivet,Thierry Appourchaux,Patrick Boumier,Jason Jackiewicz,Bun'ei Sato,Shigeru Ida,Masahiro Ikoma,Djamel Mékarnia,Thomas A. Underwood,David G. Voelz +16 more
TL;DR: In this article, the authors presented the first measurements of Jupiter's wind profile with Doppler velocity measurements in the visible domain, and compared the results with wind profiles obtained by cloud tracking on HST (Hubble Space Telescope) images taken at the same epoch, and identified a significant discrepancy in the North Equatorial Belt and northern part of the Equatorial Zone.
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Statistical state dynamics based theory for the formation and equilibration of Saturn's north polar jet
TL;DR: In this paper, a second-order closure implementation of a two-layer betaplane SSD is used to develop a theory that accounts for the structure and dynamics of the North Polar Jet (NPJ).
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Mean flow generation in rotating anelastic two-dimensional convection
TL;DR: In this paper, the authors investigate the processes that lead to the generation of mean flows in two-dimensional anelastic convection and find that non-trivial Reynolds stresses can lead to systematic flows and quantify the role of stratification in modifying the coherence of these flows.
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Capabilities and limitations of a current FORTRAN implementation of the T-matrix method for randomly oriented, rotationally symmetric scatterers
TL;DR: A detailed description of modern ¹-matrix FORTRAN codes which incorporate all recent developments, are publicly available on the World Wide Web, and are, apparently, the most efficient and powerful tool for accurately computing light scattering by randomly oriented rotationally symmetric particles is provided.
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The jupiter system through the eyes of voyager 1.
Bradford A. Smith,Laurence A. Soderblom,Torrence V. Johnson,Andrew P. Ingersoll,Stewart A. Collins,Eugene M. Shoemaker,Garry E. Hunt,Harold Masursky,Michael H. Carr,Merton E. Davies,A. F. Cook,Joseph M. Boyce,G. Edward Danielson,Tobias Owen,Carl Sagan,Reta Beebe,Joseph Veverka,Robert G. Strom,John F. McCauley,David Morrison,G. A. Briggs,Verner E. Suomi +21 more
TL;DR: The cameras aboard Voyager 1 have provided a closeup view of the Jupiter system, revealing heretofore unknown characteristics and phenomena associated with the planet's atmosphere and the surfaces of its five major satellites.
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The Vertical Profile of Radar Reflectivity of Convective Cells: A Strong Indicator of Storm Intensity and Lightning Probability?
Edward J. Zipser,Kurt R. Lutz +1 more
TL;DR: In this article, reflectivity data from Doppler radars are used to construct vertical profiles of radar reflectivity (VPRR) of convective cells in mesoscale convective systems (MCSs) in three different environmental regimes.
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New models of Jupiter's magnetic field constrained by the Io flux tube footprint
TL;DR: In this paper, a spherical harmonic model of the magnetic field of Jupiter was derived from in situ magnetic field measurements and remote observations of the position of the foot of the Io flux tube in Jupiter's ionosphere.
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Origin of the main auroral oval in Jupiter's coupled magnetosphere–ionosphere system
TL;DR: In this article, a simple empirical model of the field and flow in the middle magnetosphere is used to estimate the field-aligned currents flowing into and out of the equatorial current sheet associated with the breakdown of corotation.