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Tag Archives: polar pits
HiRISE: Dramatic changes over the south polar cap
The south polar residual cap of carbon dioxide ice rapidly changes. This image was planned as an almost exact match to the illumination and viewing angles of a previous one we took in August 2009. The pits have all expanded … Continue reading
Posted in Reports
Tagged CO2 ice, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, polar pits, south polar ice cap, south polar residual cap, University of Arizona
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HiRISE: Polar pits — are they active?
This 2008 image shows a portion of the North Polar layered deposits with lines of very small pits, only about 1 meter in diameter. Such small pits should be quickly filled in by seasonal ice and dust, so their existence … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar layered deposits, polar pits, University of Arizona
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