[meteorite-list] MRO HiRISE Images - October 26, 2011

From: Ron Baalke <baalke_at_meteoritecentral.com>
Date: Wed, 26 Oct 2011 14:12:13 -0700 (PDT)
Message-ID: <201110262112.p9QLCDaF010762_at_zagami.jpl.nasa.gov>

MARS RECONNAISSANCE ORBITER HIRISE IMAGES
October 26, 2011

o Continuing Avalanches
  http://hirise.lpl.arizona.edu/ESP_016228_2650

  What triggers these falls? Seasonal temperature changes in the ice
  layers, gusts of wind passing over loosened rocks in steep slopes, or
  something else entirely?

o Rafting Rocks
  http://hirise.lpl.arizona.edu/ESP_023314_1440

  In this image, It looks as if a flat solid surface broke up, and then
  the individual pieces were rafted apart.

o Diverse Layers and Mineralogy near Mawrth Vallis
  http://hirise.lpl.arizona.edu/ESP_024055_2045

  Clays contain water, indicating that this region may have been wet in
  the past.

o Gullies on the South Wall of Dao Vallis near the Confluence with Niger Vallis
  http://hirise.lpl.arizona.edu/ESP_024315_1435
  
  This valley fill material was likely ice-rich and flowed down the wall or
  valley similar to slow moving glacial material on Earth.
        
All of the HiRISE images are archived here:

http://hirise.lpl.arizona.edu/

Information about the Mars Reconnaissance Orbiter is
online at http://www.nasa.gov/mro. The mission is
managed by NASA's Jet Propulsion Laboratory, a division
of the California Institute of Technology, for the NASA
Science Mission Directorate, Washington, D.C. Lockheed
Martin Space Systems, of Denver, is the prime contractor
and built the spacecraft. HiRISE is operated by the
University of Arizona. Ball Aerospace and Technologies
Corp., of Boulder, Colo., built the HiRISE instrument.
Received on Wed 26 Oct 2011 05:12:13 PM PDT


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