HiRISE Picture of the Day: 18 June 2021 
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Changing Dust Boundary on Olympus Maculae

Changing Dust Boundary on Olympus Maculae

Changing Dust Boundary on Olympus Maculae
Other maculae (unusually dark areas) are showing big pre/post 2018 dust storm changes in the size and crispness of their borders. Could this be an area of hyper-preferred dust devil activity? This particular macula could show significant changes with clues to the underlying mechanism. We’re about 1 Earth year later than the latest image for this region.

ID: ESP_063527_1975
date: 14 February 2020
altitude: 280 km

NASA/JPL/UArizona
https://uahirise.org/hipod/ESP_063527_1975
#Mars #science #NASA

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Black & white is less than 5 km across; enhanced color is less than 1 km