Star Dune Mysteries: Scientists Decode Secrets Of Formation Of These Desert Giants

Star dunes, believed to be the largest and tallest dunes on Earth, are mysterious desert structures. For the first time, scientists have decoded the secrets of formation of these desert giants.

Scientists were surprised to learn that the Lala Lallia Star Dune in Erg Chebbi, Sahara Desert, Morocco, one of the oldest known star dunes, was formed about 13,000 years ago. Earlier, scientists believed that dunes were far older. 

Source : Playground AI/ABP Live

Star dunes, believed to be the largest and tallest dunes on Earth, are mysterious desert structures. They can be pyramidal, star-shaped, or resemble a pinwheel, have a central pyramid-shaped peak with three or more radial arms, a width of 0.5 to one kilometre, and height of 50 to 150 metres. One of the surprising aspects about these structures is that they have never been found in Earth's geological record, despite the fact that past deserts have commonly been found preserved in rocks deep