Frosted Dunes in the Depths of Winter - NASA Jet Propulsion Laboratory
This image acquired on July 22, 2022 by NASA's Mars Reconnaissance Orbiter shows sand dunes moving across the landscape. Winter frost covers the colder, north-facing half of each dune.
Usually, HiRISE takes pictures of well-illuminated terrain where there is plenty of light to produce clear images. Sometimes though, we would like to know what's going on in the dim wintertime areas.… [+1022 chars]
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