HiPOD: Once in a Blue Dune

Sand dunes often accumulate in the floors of craters. In this region of Lyot Crater there is a field of classic barchan dunes.

Just to the south of the group of barchan dunes is one large dune with a more complex structure. This particular dune, appearing like turquoise blue in enhanced color*, is made of finer material and/or has a different composition than the surroundings.

uahirise.org/hipod/ESP_053894_
NASA/JPL-Caltech/UArizona

@HiRISE That's amazing. A "blue" dune on the red planet!

@stueytheround @HiRISE

enhanced colour.

i can do that in my photos app and really change the colours.

i'd like to see an unenhanced photo 🤨🤣🤣🤣

@holon42 Which is why I put "blue" in quotes 🤣🤣 @HiRISE

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