This is always a favorite of ours: gorgeous crescent-shaped (barchan) dunes in the Hellespontus region that we like to image to track for any seasonal changes. The long, narrow dunes are known as “seif” dunes, from an Arabic word meaning “sword.”
ID:
ESP_055397_1380date: 22 May 2018
altitude: 254 km
https://uahirise.org/hipod/ESP_055397_1380
NASA/JPL-Caltech/UArizona
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