On Sol 2410, Curiosity's NavCam captured images of Noctilucent clouds on Mars. These high-altitude water ice clouds form around the vaporized remnants of small meteoroids and are only visible around sunset.
Such cloods are common during the northern hemisphere's spring due to the atmosphere being cool enough for water ice to condense.
Initially, the foreground was overly dark. As a photographer, I appreciate when the foreground complements the background, so I tweaked the image's shadows to reveal the breathtaking Martian sands, making some adjustments in Lightroom Classic.
Unlike some Earthly deserts with coarse sand, the Martian sand is likely quite fine and powdery. This is because the thin Martian atmosphere doesn't have enough wind to create large, rolling sand dunes. The windblown dust settles to create a smoother, more textured surface.
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https://www.flickr.com/photos/132160802@N06/49364662882/in/dateposted/