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Ultraviolet Imaging Spectroscopy Shows an Active Saturnian System

Esposito, Larry W. and Colwell, Joshua E. and Larsen, Kristopher and McClintock, Willian E. and Stewart, A. Ian F. and Hallett, Janet Tew and Shemansky, Donald E. and Ajello, Joseph M. and Hansen, Candice J. and Hendrix, Amanada R. and West, Robert A. and Keller, H. Uwe and Korth, Axel and Pryor, Wayne R. and Reulke, Ralf and Yung, Yuk L. (2005) Ultraviolet Imaging Spectroscopy Shows an Active Saturnian System. Science, 307 (5713), pp. 1251-1255.

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Official URL: http://www.sciencemag.org/cgi/content/full/1105606/DC1


Neutral oxygen in the saturnian system shows variability, and the total number of oxygen atoms peaks at 4 x 10/34. Saturn´s aurora brithtens in response to solar-wind forcing, and the auroal spectrum resembles Jupiter´s. Phoebe´s surface shows variable water-ice content, and the data indicate it originated in the outer solar system. Saturn´s rings also show variable water abundance, with the purest ice in the outermost A ring. This radial variation is consistent with initially pure water ice bombarded by meteors, but smaller radial structures may indicate collisional transport and recent renewal events in the past 10/7 tp 10/8 years.

Item URL in elib:https://elib.dlr.de/22503/
Document Type:Article
Title:Ultraviolet Imaging Spectroscopy Shows an Active Saturnian System
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Esposito, Larry W.University of ColoradoUNSPECIFIED
Colwell, Joshua E.University of Southern CaliforniaUNSPECIFIED
Larsen, KristopherUniversity of ColoradoUNSPECIFIED
McClintock, Willian E.University of ColoradoUNSPECIFIED
Stewart, A. Ian F.University of ColoradoUNSPECIFIED
Hallett, Janet TewUniversity of Southern CaliforniaUNSPECIFIED
Shemansky, Donald E.University of Southern CaliforniaUNSPECIFIED
Ajello, Joseph M.Jet Propulsion LaboratoryUNSPECIFIED
Hansen, Candice J.Jet Propulsion LaboratoryUNSPECIFIED
Hendrix, Amanada R.Jet Propulsion LaboratoryUNSPECIFIED
West, Robert A.Jet Propulsion LaboratoryUNSPECIFIED
Keller, H. UweMax-Planck-Institut für SonnensystemforschungUNSPECIFIED
Korth, AxelMax-Planck-Institut für SonnensystemforschungUNSPECIFIED
Pryor, Wayne R.Central Arizona CollegeUNSPECIFIED
Yung, Yuk L.California Institute of TechnologyUNSPECIFIED
Date:25 February 2005
Journal or Publication Title:Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 1251-1255
Series Name:Special Section
Keywords:Saturn, oxygen, Cassini, Jupiter
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Transport
HGF - Program Themes:other
DLR - Research area:Transport
DLR - Program:V - no assignment
DLR - Research theme (Project):V - no assignment
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Transport Research
Deposited By: Dumong, Andrea
Deposited On:23 Feb 2006
Last Modified:27 Apr 2009 05:01

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