Galileo at Io: Results from High-Resolution Imaging
McEwen, A.S. and Belton, M.J.S. and Breneman, H.H. and Fagents, S.A. and Geissler, P. and Greeley, R. and Head, J.W. and Hoppa, G. and Jaeger, W.L. and Johnson, T.V. and Keszthelyi, L. and Klaasen, K.P. and Lopes-Gautier, R. and Magee, K.P. and Milazzo, M.P. and Moore, J.K. and Pappalardo, R.T. and Phillips, C.B. and Radebaugh, J. and Schubert, G. and Schuster, P. and Simonelli, D.P. and Sullivan, R. and Thomas, P.C. and Turtle, E.P. and Williams, D.A. (2000) Galileo at Io: Results from High-Resolution Imaging. Science, 288, pp. 1193-1198.
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During late 1999/early 2000, the solid state imaging experiment on the Galileo spacecraft returned more than 100 high-resolution (5 to 500 meters per pixel) images of volcanically active Io. We observed an active lava lake, an active curtain of lava, active lava flows, calderas, mountains, plateaus, and plains. Several of the sulfur dioxide-rich plumes are erupting from distal flows rather than from the source of the silicate lava (caldera or fissure, often with red pyroclastic deposits). Most of the active flows in equatorial regions are being emplaced slowly beneath insulated crust, but rapidly emplaced channelized flows are also found at all latitudes. There is no evidence for high-viscosity lava, but some bright flows may consist of sulfur rather than mafic silicates. The mountains, plateaus, and calderas are strongly influenced by tectonics and gravitational collapse. Sapping channels and scarps suggest that many portions of the upper ~1 kilometer are rich in volatiles.
|Title:||Galileo at Io: Results from High-Resolution Imaging|
|Journal or Publication Title:||Science|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 1193-1198|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institut für Weltraumsensorik und Planetenerkundung|
|Deposited By:||Susanne Pieth|
|Deposited On:||08 Dec 2005|
|Last Modified:||14 Jan 2010 18:34|
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