Jan 28, 2024
The aeolian processes of katabatic winds in Antarctica’s McMurdo Dry Valleys shape boulders into surreal formations
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The aeolian processes of katabatic winds in Antarctica’s McMurdo Dry Valleys shape boulders into surreal formations
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The deserts of Namibia are home to some of the fastest and most consistent winds in the world. As a result, they're also home to some of the fastest-moving dunes on Earth. (Image credit: top - E. Böhtlingk, animation - J. Stevens; via NASA Earth Observatory)
On its face, the idea that sand and wind can come together to form massive mountainous dunes seems bizarre. But dunes -- and their smaller cousins, ripples -- are everywhere, not just on Earth but on other planetary bodies where fine particles and atmospheres interact. (Image and video credit: Be Smart)
Fly over a Martian crater in this incredibly detailed 8K video built from Mars Reconnaissance Orbiter imagery. Like Earth's deserts, Mars is largely shaped by wind, and we get some fantastic views of sand ripples in this flyover. (Video and image credit: S. Doran/NASA; via Colossal)