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AsteriaStar
Feature type

Grooved Terrain (Sulci)

Bright bands of parallel ridges and grooves that cut across the dark, ancient surface of Ganymede — young, tectonically-resurfaced ice.

In brief

Tectonically-resurfaced grooved ice terrain.

Examples of this feature

  • Uruk SulcusSurface feature
    Ganymede

    A swath of the bright, grooved terrain that covers much of Ganymede — younger ice, tectonically resurfaced into parallel ridges and troughs.

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.