publication . Article . 1999

Mass Movement and Landform Degradation on the Icy Galilean Satellites: Results of the Galileo Nominal Mission

Frank C. Chuang; Paul Helfenstein; K. C. Bender; Paul E. Geissler; John R. Spencer; J. E. Klemaszewski; Clark R. Chapman; Carl B. Pilcher; Robert Sullivan; Erik Asphaug; ...
Open Access
  • Published: 01 Aug 1999 Journal: Icarus, volume 140, pages 294-312 (issn: 0019-1035, Copyright policy)
  • Publisher: Elsevier BV
Abstract
The Galileo mission has revealed remarkable evidence of mass movement and landform degradation on the icy Galilean satellites of Jupiter. Weakening of surface materials coupled with mass movement reduces the topographic relief of landforms by moving surface materials down-slope. Throughout the Galileo orbiter nominal mission we have studied all known forms of mass movement and landform degradation of the icy galilean satellites, of which Callisto, by far, displays the most degraded surface. Callisto exhibits discrete mass movements that are larger and apparently more common than seen elsewhere. Most degradation on Ganymede appears consistent with sliding or slum...
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free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Mass movement, Regolith, Slumping, Jupiter, Galilean moons, symbols.namesake, symbols, Mass wasting, Astrobiology, Geology, Icy moon, Impact crater
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