On board the Mars Reconnaissance Orbiter

In: ScienceTopics: Tags: ,
July 14, 2012

Universe Today knows how to catch my attention: Latest from Mars: Massive Polar Ice Cliffs, Northern Dunes, Gullied Craters. The HiRISE scientists monitor these regions to help in understand the climatic record stored in the ice sheet itself.

Several gorgeous images are in this week’s update from the HiRISE camera on board the Mars Reconnaissance Orbiter. This lovely image shows the cliffs at the edges of huge ice sheet at the North Pole of Mars. These cliffs are about 800 meters (2,600 feet) high, and the ice sheet is several kilometers thick at its center. This is a great spot to look for ice avalanches that HiRISE has captured previously.

The HiRISE team said that the slopes of these cliffs are almost vertical, plus dense networks of cracks cover the icy cliff faces making it easier for material to break free. The team regularly monitors sites like this to check for new blocks that have fallen. You can look for yourself to see if any avalanches have occurred since the last image was taken of this area, almost exactly one Martian year ago.

Go to the HiRISE website to see all the amazing images from Mars!

Below: Light-Toned and Possible Hydrated Materials in Gullied Crater.

Light-Toned and Possible Hydrated Materials in Gullied Crater
This observation shows a gullied crater in the Southern mid-latitudes with light-toned deposits near the center of its floor.
NASA/JPL/University of Arizona







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