Potentially habitable flow-like features from Martian dry ice geyser dune spots: Difference between revisions

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Potentially habitable flow-like features from Martian dry ice geyser dune spots (edit)

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These intriguing high latitude features are associated with the [[Geyser (Mars)|Martian Geysers]]. The geysers themselves (if that is what they are) are thought to be results of dry ice turning to gas,. and theThe dark spots and- flowwhich likeat featuresone point were thought to be photosynthetic life, are now thought to be the debris from the geysers.
However, later in the year the flow like features extend further down the slopes from the dark spots, sometimes at a rate of meters per day. The details differ for the two hemispheres. In the Southern hemisphere, all current models for this part of the process involve liquid water. In the northern hemisphere then most of the models also involve water, although the northern hemisphere flow like features form at much lower surface temperatures. The Richardson crater flow-like features are the ones of most interest for potentially habitable brines.▼
 
▲However, later in the year the flow like features extend further down the slopes. The details differ for the two hemispheres. In the Southern hemisphere, all current models for this part of the process involve liquid water. In the northern hemisphere then most of the models also involve water, although the northern hemisphere flow like features form at much lower surface temperatures.
 
This image shows the flow like features of the southern hemisphere.
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