The Science of The Callisto Incident
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Europa's surface is a fascinating mixture of many different features, dominated by the fractures in the ice plates. A few craters (impact scars from meteors) are visible, but the active surface has erased all but a few large craters and some small ones. The Pwyll impact region is the second largest, behind Taliesin crater, and a 3-D reconstruction has been made of it by the Galileo spacecraft. On a smaller scale, ice cliffs are visible in the highest resolution images.
Detailed information about the above image can be found here.
For further examples of Europa's surface, see the images here.