Strange veiny Martian terrain captured by NASA satellite

Strange polygonal structures have arisen on the surface of Mars due to erosion by water ice and dry ice formation and sublimation.

@AdamHuntTT
Published Thu, Jun 23 2022 8:27 AM CDT

NASA's Mars Reconnaissance Orbiter (MRO) satellite has photographed strange polygonal structures covering the Martian landscape.

Strange veiny Martian terrain captured by NASA satellite 02 | TweakTown.com
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The image was captured by the MRO using the HiRISE (High Resolution Imaging Science Experiment) camera, and high resolution versions up to 10K are available on the HiRISE website. The Martian surface pictured is divided into numerous polygonal sections by water that freezes into ice in the ground, splitting the soil. Dry ice (frozen carbon dioxide) sublimates into a gaseous form in the springtime, further fracturing the boundaries of the polygons.

Dry ice covers the visible ground, and various vents form across the surface as the temperature rises, allowing gas to escape while eroding other particles that are then carried along with the gas. These particles are carried a short distance, creating dark, fan-shaped deposits. The vents occasionally close and reopen, though a change in wind direction produces a second fan-shaped deposit extending in another direction.

You can see more updates from fascinating features of the Martian landscape photographed by HiRISE here.

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Adam grew up watching his dad play Turok 2 and Age of Empires on a PC in his computer room, and learned a love for video games through him. Adam was always working with computers, which helped build his natural affinity for working with them, leading to him building his own at 14, after taking apart and tinkering with other old computers and tech lying around. Adam has always been very interested in STEM subjects, and is always trying to learn more about the world and the way it works.

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