Search Publications
The Structure of the Global Heliosphere as Seen by In-Situ Ions from the Voyagers and Remotely Sensed ENAs from Cassini
Krimigis, Stamatios M.; Mitchell, Donald G.; Hilchenbach, Martin +5 more
The exploration of interplanetary space and our solar bubble, the heliosphere, has made a big leap over the past two decades, due to the path-breaking observations of the two Voyager spacecraft, launched more than 44 years ago. Their in-situ particle and fields measurements were complemented by remote observations of 5.2 to 55 keV Energetic Neutra…
Comparison of the Deep Atmospheric Dynamics of Jupiter and Saturn in Light of the Juno and Cassini Gravity Measurements
Stevenson, David J.; Iess, Luciano; Showman, Adam P. +4 more
The nature and structure of the observed east-west flows on Jupiter and Saturn have been a long-standing mystery in planetary science. This mystery has been recently unraveled by the accurate gravity measurements provided by the Juno mission to Jupiter and the Grand Finale of the Cassini mission to Saturn. These two experiments, which coincidental…
Titan as Revealed by the Cassini Radar
Rodriguez, S.; Barnes, J. W.; Soderblom, J. M. +45 more
Titan was a mostly unknown world prior to the Cassini spacecraft's arrival in July 2004. We review the major scientific advances made by Cassini's Titan Radar Mapper (RADAR) during 13 years of Cassini's exploration of Saturn and its moons. RADAR measurements revealed Titan's surface geology, observed lakes and seas of mostly liquid methane in the …
Organic Ices in Titan's Stratosphere
Anderson, C. M.; Samuelson, R. E.; Nna-Mvondo, D.
Titan's stratospheric ice clouds are by far the most complex of any observed in the solar system, with over a dozen organic vapors condensing out to form a suite of pure and co-condensed ices, typically observed at high winter polar latitudes. Once these stratospheric ices are formed, they will diffuse throughout Titan's lower atmosphere and most …
A Revised Sensitivity Model for Cassini INMS: Results at Titan
Young, D. T.; Waite, J. H.; Yelle, R. V. +15 more
Cassini Ion Neutral Mass Spectrometer (INMS) measurements from roughly a hundred Titan encounters over the Cassini mission yield neutral and ion densities systematically lower, by factors approximately 2 to 3, than estimates from several other spacecraft systems, including the Attitude and Articulation Control System, and Navigation system. In thi…
Upstream of Saturn and Titan
André, N.; Coates, A. J.; Jackman, C. M. +8 more
The formation of Titan's induced magnetosphere is a unique and important example in the solar system of a plasma-moon interaction where the moon has a substantial atmosphere. The field and particle conditions upstream of Titan are important in controlling the interaction and also play a strong role in modulating the chemistry of the ionosphere. In…
Mapping Magnetospheric Equatorial Regions at Saturn from Cassini Prime Mission Observations
Schippers, P.; André, N.; Krupp, N. +19 more
Saturn's rich magnetospheric environment is unique in the solar system, with a large number of active magnetospheric processes and phenomena. Observations of this environment from the Cassini spacecraft has enabled the study of a magnetospheric system which strongly interacts with other components of the saturnian system: the planet, its rings, nu…
Recent Results from Titan's Ionosphere
Coates, A. J.; Wahlund, J. -E.; Szego, K. +4 more
Titan has the most significant atmosphere of any moon in the solar system, with a pressure at the surface larger than the Earth's. It also has a significant ionosphere, which is usually immersed in Saturn's magnetosphere. Occasionally it exits into Saturn's magnetosheath. In this paper we review several recent advances in our understanding of Tita…
Magnetic Fields of the Satellites of Jupiter and Saturn
Khurana, Krishan K.; Kivelson, Margaret G.; Walker, Raymond J. +1 more
This paper reviews the present state of knowledge about the magnetic fields and the plasma interactions associated with the major satellites of Jupiter and Saturn. As revealed by the data from a number of spacecraft in the two planetary systems, the magnetic properties of the Jovian and Saturnian satellites are extremely diverse. As the only case …
Atmospheric Electricity at Saturn
Dyudina, Ulyana A.; Gurnett, Donald A.; Fischer, Georg +5 more
The Cassini mission provides a great opportunity to enlarge our knowledge of atmospheric electricity at the gas giant Saturn. Following Voyager studies, the RPWS (Radio and Plasma Wave Science) instrument has measured again the so-called SEDs (Saturn Electrostatic Discharges) which are the radio signature of lightning flashes. Observations by Cass…