Jupiter’s moon Io is the most volcanically active body in the Solar System, and the body that is known to be most rapidly resurfaced. Surface modification on Io has to date been attributed almost exclusively to lava emplacement and volcanic plume deposits. In new research, planetary scientists from Rutgers University and elsewhere performed the first measurements of the dimensions of linear features in images from NASA’s Galileo probe, previously termed ‘ridges,’ which demonstrate certain similarities to dunes on other planetary bodies.
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