1. Characterize the morphology, geology, and physical state of the satellite surfaces
2. Investigate the satellites surface mineralogy and determine the distribution of the compositional units
3. Determine the satellites gravitational fields, magnetic fields and dynamic properties
4. Study satellite atmospheres and ionospheres, extended gas clouds arising from the satellites, and interactions with the magnetosphere

1. Geological evolution of Io and Europa (samples < 1 km)
2. Geological evolution of Ganymede and Callisto (samples < 100 m)
3. Nature of current Io volcanism/variability
   (target plumes, surface flows, frosts, dark side search for silicate volcanism)
4. Global context for #1.
   (Europa moderate resolution regional coverage - some with color)
5. Global context for #2.
   (regional moderate resolution < 2km - some with color)
6. Global context for #2 (Callisto color samples)
7. Surface composition of all satellites (photometric properties of all)
8. Origin and mass balance of ring material
9. Additional regional Callisto coverage (< 2km)
10. Voyager complimentary coverage in color (to extent possible)

• Volcanism
  
• Tectonism
  
• Ice as a Rock
  
• Mass Wasting
  

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Galileo Solid State Imaging Team Leader: Dr. Michael J. S. Belton

The SSI Education and Public Outreach webpages were originally created and managed by Matthew Fishburn and Elizabeth Alvarez with significant assistance from Kelly Bender, Ross Beyer, Detrick Branston, Stephanie Lyons, Eileen Ryan, and Nalin Samarasinha.

Last updated: September 17, 1999, by Matthew Fishburn

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