Shallow Subsurface Water at the Base of Europa’s Double Ridges
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http://dataverse.jpl.nasa.gov/citation?persistentId=doi:10.48577/jpl.V0KAYZ
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Recent numerical modeling and the detection of an Earth analog advanced our under8 standing of the formation mechanisms behind Europa’s distinctive double ridges. No9 tably, a recent contribution by Cashion et al. (2024), demonstrated that ice wedging as 10 a primary formation mechanism can accurately reproduce the topographic characteris11 tics of double ridges. Building on previous theoretical foundations laid by Melosh and 12 Turtle (2004), it hints at a complex hydrological system within the ice shell, character13 ized by local reservoirs and cycles of freezing that could also explain other observed ge14 ological formations, such as lenticulae and chaos terrain. This dynamic suggests the pos15 sibility of material exchange processes within the ice shell of Europa and enhances our 16 understanding of the moon’s habitability.
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2025-01-26



