High-resolution image from the Mars Global Surveyor shows dark trails crisscrossing a Martian surface, identified as tracks left by Martian dust devils – swirling columns of rising air picking up loose dust, similar to dust devils on Earth but much larger.

Astronomy Picture from 17/03/2000

Martian Dust Devil Trails

Source: https://apod.nasa.gov/apod/ap000317.html


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