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A significant event has occurred in Inca City. The layer of seasonal ice has started to develop long cracks . This is visible in the orange-colored band adjacent to the araneiforms. Fans of dust are emerging from long linear cracks. The cracks form when large plates of ice have no easily ruptured weak spots to release the pressure from gas building up underneath, so the ice simply cracks.
There are also more fans on the ridge at the top of the image, and more have appeared in between the araneiforms. We do not have any analogous processes occurring naturally on Earth: this is truly Martian.
HiRISE is one of six instruments on NASA's Mars Reconnaissance Orbiter. The University of Arizona, Tucson, operates HiRISE, which was built by Ball Aerospace & Technologies Corp., Boulder, Colorado. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Reconnaissance Orbiter Project for NASA's Science Mission Directorate, Washington.
Name | Value | Additional Values |
---|---|---|
Target | Mars | |
System | ||
Target Type | Planet | |
Mission | Mars Reconnaissance Orbiter (MRO) | |
Instrument Host | Mars Reconnaissance Orbiter | |
Host Type | Orbiter | |
Instrument | High Resolution Imaging Science Experiment (HiRISE) | |
Detector | ||
Extra Keywords | Color, Dust, Map | |
Acquisition Date | ||
Release Date | 2014-11-13 | |
Date in Caption | ||
Image Credit | NASA/JPL-Caltech/University of Arizona | |
Source | photojournal.jpl.nasa.gov/catalog/PIA18896 | |
Identifier | PIA18896 |