Among the undulating topography of this dune field in Rabe Crater, one notable feature is the presence of distinct megaripple stripes. Intermediate in size relative to larger dunes and smaller ripples, these megaripples gather in parallel rows, their formation guided by wind patterns and the distribution of grain sizes.

ID: ESP_058009_1355
date: 11 December 2018
altitude: 250 km

https://uahirise.org/hipod/ESP_058009_1355
NASA/JPL-Caltech/UArizona
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