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Loading contentBright bands of parallel ridges and grooves that cut across the dark, ancient surface of Ganymede — young, tectonically-resurfaced ice.
Tectonically-resurfaced grooved ice terrain.
A swath of the bright, grooved terrain that covers much of Ganymede — younger ice, tectonically resurfaced into parallel ridges and troughs.
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Mission data, planetary science, space telescopes, and public-domain imagery.
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