Cassini Imaging Science: Initial Results on Saturn's Atmosphere

@article{Porco2005CassiniIS,
  title={Cassini Imaging Science: Initial Results on Saturn's Atmosphere},
  author={Carolyn C. Porco and Emily J. Baker and J. M. Barbara and Kevin Beurle and Andre Brahic and Joseph A. Burns and S{\'e}bastien Charnoz and Nicholas J. Cooper and D. D. Dawson and Anthony D. Del Genio and Tilmann Denk and Luke Dones and Ulyana Anatolyevna Dyudina and Michael W. Evans and Bernd Giese and Kevin R. Grazier and P. Helfenstein and Andrew P. Ingersoll and Robert A. Jacobson and Torrence V. Johnson and Andy McEwen and Carl D. Murray and Gerhard Neukum and W. M. Owen and J. E. Perry and Thomas Roatsch and Joseph Nicholas Spitale and Steven W. Squyres and Peter C. Thomas and Matthew S. Tiscareno and Elizabeth P. Turtle and Ashwin R. Vasavada and Joseph Frank Veverka and Roland J. Wagner and Richard D. West},
  journal={Science},
  year={2005},
  volume={307},
  pages={1243 - 1247}
}
The Cassini Imaging Science Subsystem (ISS) began observing Saturn in early February 2004. From analysis of cloud motions through early October 2004, we report vertical wind shear in Saturn's equatorial jet and a maximum wind speed of ∼375 meters per second, a value that differs from both Hubble Space Telescope and Voyager values. We also report a particularly active narrow southern mid-latitude region in which dark ovals are observed both to merge with each other and to arise from the… 
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References

SHOWING 1-10 OF 15 REFERENCES
Large-Scale Storms in Saturn's Atmosphere During 1994
Large-scale storms are rarely observed in Saturn's atmosphere, but their appearance traces the wind velocity field, providing information on the vertical structure of the clouds and on the dynamics
Saturn's Zonal Winds at Cloud Level
We present an analysis of new cloud motion measurements in Saturn's atmosphere from Voyager 1 and 2 images and define a nominal zonal wind velocity vs latitude profile for the cloud top level that
Cassini Imaging Science: Instrument Characteristics And Anticipated Scientific Investigations At Saturn
The Cassini Imaging Science Subsystem (ISS) is the highest-resolution two-dimensional imaging device on the Cassini Orbiter and has been designed for investigations of the bodies and phenomena found
Radio and Plasma Wave Observations at Saturn from Cassini's Approach and First Orbit
TLDR
Radio emissions from Saturn showed that the radio rotation period is now 10 hours 45 minutes 45 ± 36 seconds, about 6 minutes longer than measured by Voyager in 1980 to 1981, and many intense impulsive radio signals were detected from Saturn lightning during the approach and first orbit.
Temperatures, Winds, and Composition in the Saturnian System
TLDR
Diurnal surface temperature variations on Phoebe suggest a more porous regolith than on the jovian satellites, and Saturn's ring temperatures have radial variations down to the smallest scale resolved (100 kilometers).
...
...