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Trio of 'black mesas' leftover from Paleozoic era spawn rare sand dunes in the Sahara — Earth from space
A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The ...
A study led by NYU Abu Dhabi’s Space Exploration Laboratory found underground water that turned sand dunes into solid rock, ...
What can sand dunes on Earth and Mars teach us about the latter’s wind behavior and atmosphere? This is what a recently awarded NASA grant hopes to address as a PhD student at Texas A&M University ...
Located approximately 8 miles northwest of Guérou in southern Mauritania, these black mesas rise steeply from the surrounding plains, reaching heights of 1,000 to 1,300 feet. Composed of sandstone, ...
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Scientists Used Lasers To Finally Explain How Tiny Dunes Form — And This Might Hold Clues to Other Worlds
Next time you explore a beach or a desert, look down at the sand. You might spot patches of small ripples just a few centimeters tall. Wind can shape these miniature dunes in less than half an hour ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Across sweeping ...
Last summer, Stephanie McNamara got her first glimpse of Great Sand Dunes National Park and Preserve in southern Colorado. The park is a monument to sand, where dunes stretch across 30 square miles ...
This beautifully contrasted infrared-color image shows an area approximately 600 by 900 meters. This is a close-up of the western Medusa Fossae formation where we can see dust-covered rocky, bedrock ...
A new study led by the University of Southampton and research institutes in France has uncovered the mystery of how mini sand dunes form on beaches and in deserts. While the formation of large desert ...
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