https://science.nasa.gov/photojournal/ridges-and-troughs-in-sippar-sulcus-ganymede/
Ridges and Troughs in Sippar Sulcus, Ganymede - NASA Science
Sep 23, 2025 - Embayment of ridges and troughs in a portion of the Sippar Sulcus area of Jupiter's moon Ganymede in this image from NASA's Galileo spacecraft is interpreted...
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