MRO tagged posts

Steep Slopes on Mars reveal Structure of Buried Ice on Red Planet

A cross-section of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view from the HiRISE camera on NASA's Mars Reconnaissance Orbiter. The scene is about 550 yards wide. The scarp drops about 140 yards from the level ground in the upper third of the image. Credit: NASA/JPL-Caltech/UA/USGS

A cross-section of underground ice is exposed at the steep slope that appears bright blue in this enhanced-color view from the HiRISE camera on NASA’s Mars Reconnaissance Orbiter. The scene is about 550 yards wide. The scarp drops about 140 yards from the level ground in the upper third of the image. Credit: NASA/JPL-Caltech/UA/USGS

Researchers using NASA’s Mars Reconnaissance Orbiter (MRO) have found 8 sites where thick deposits of ice beneath Mars’ surface are exposed in faces of eroding slopes. These 8 scarps, with slopes as steep as 55 degrees, reveal new information about the internal layered structure of previously detected underground ice sheets in Mars’ middle latitudes. The ice was likely deposited as snow long ago...

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