Dramatic high-resolution close-up of Martian sand dunes, captured by HiRISE on January 24, 2014. The image shows dune crests illuminated by the low sun, with shadows creating strong contrasts against the dark, textured surface. Seasonal frost is visible on some dunes. The scene, located in a southern highlands crater, spans about 1.5 kilometers.

Astronomy Picture from 14/04/2018

Martian Chiaroscuro

Source: https://apod.nasa.gov/apod/ap180414.html


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