Mars, the fourth planet from the sun, is often referred to as the "Red Planet" due to its rusty hue from the iron oxide-rich soil dust. The planet is dotted with frosty dunes, largely located in the high latitudes of the northern plains. Mars" atmosphere is composed of nearly 96% carbon dioxide, which is why carbon ice forms on the surface. These dunes showcase the dynamic interaction between Mars" thin atmosphere, its surface, and seasonal temperature changes.
Frost-covered dunes on Mars
Today in History
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Avatar Mountains, Zhangjiajie National Forest Park, China
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The roots of invention
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Mesquite Flat Sand Dunes in Death Valley National Park, California
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Lupine fields, Snæfellsnes, Iceland
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Perfect timing
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Midnight sun
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A hint of spring
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A wild, craggy corner of the United States
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Four little birds sitting in a tree…
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A century since Tut s tomb was discovered
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Happy New Years Eve!
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Mountains fit for a queen
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Ringing in the new year at Teotihuacan
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Legacy mural in Philadelphia
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A march toward a dream
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Rockefeller Center Christmas tree lighting
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A shell of many colors
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Keep calm and drive on (slowly)
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Przewalskis horses, Hustai National Park, Mongolia
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It s Teacher Appreciation Week
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A peak in the clouds
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Happy Valentines Day!
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Yi Peng Festival in Chiang Mai, Thailand
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Commemorating the life of a famous railroad conductor
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D-Day remembered
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Under Parisian skies
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A path into history
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A splash by the sea
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Pride Month
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Think deep thoughts
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