sand dune

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sand dunes of the Sahara

Abu Dhabi: desert

Martian dune field, as seen by the Viking 1 lander. The dunes on the left bear a close resemblance to sand dunes on Earth. The direction and sharpness of their crests suggest prevailing winds blowing from left to right. The lander's meteorology boom divides the image down the centre.

sand dunes on Mars

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sand dune summary

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Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

Poker game. Card game. Royal Flush in poker. Hearts suit gambling

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Aspirin pills.

7 Drugs that Changed the World

Drinking water is poured into a glass.

Water Fluoridation: Just the Facts

sand dune: Related Content

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Photos and Videos

sand dunes of the Sahara

Abu Dhabi: desert

Martian dune field, as seen by the Viking 1 lander. The dunes on the left bear a close resemblance to sand dunes on Earth. The direction and sharpness of their crests suggest prevailing winds blowing from left to right. The lander's meteorology boom divides the image down the centre.

sand dunes on Mars

How do dunes form and change over time?

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Topics

slip face ʿalâb echo dune dead zone coastal dune pyramidal dune compound dune coppice dune barchan seif playa alluvial fan badland pediment desert pavement arroyo inselberg oasis bajada erg

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Mt. Elbrusvolcano, Western Caucasus mountain range, Russia. (dormant Russia)

Natural Wonders