Tag Archives: CO2 jets

HiRISE: Thousands of spiders on Mars

As part of the Planet Four citizen science effort, volunteers searched Context Camera images for possible new locations on Mars with “spiders,” or features with radial troughs from which fans emanate in the springtime. We planned this HiRISE image over … Continue reading

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HiRISE: Spider terrain

Spider terrain. Beautiful Mars series.

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HiRISE: Rectangles with wiggly sides

Ground that has a lot of water ice mixed with dirt tends to crack in polygonal patterns bounded by short straight channels. In the South Polar region of Mars this type of terrain may be covered by a seasonal polar … Continue reading

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