Amazing Martian Dunes

Photographs of interplanetary vehicles are primarily a source of scientific information. At the same time, they are also an important part of the popularization of science. Fortunately, this usually does not require much effort: because of its unusual nature, extraterrestrial landscapes can attract attention without any additional advertising. It should also be remembered that cameras from interplanetary stations can be shot in wave bands that are inaccessible to the human eye.

The combination of all these factors can transform cosmic photography into a real work of art, reminiscent of the canvases of avant-garde artists. As an example, the following pictures taken by the MRO can be cited. They are depicted dunes covering the bottom of one of the small nameless craters to the north of the crater of Antoniadi. The combination of landscapes carved out by the Martian wind and dark lines (perhaps, these are traces left by dust tornadoes) literally fascinates the eye.

All the pictures were taken by the HiRISE camera. It shoots in three color ranges: with wavelengths from 400 to 600 nm (blue-green), from 550 to 850 nm (red) and from 800 to 1000 nm (near infrared, which is invisible to the human eye). When composing color images of the blue-green part of the wave range, the blue color of the pixels is assigned, the red color is green and the infrared red.

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