[meteorite-list] MRO HiRISE Images - December 12, 2012

From: Ron Baalke <baalke_at_meteoritecentral.com>
Date: Wed, 12 Dec 2012 14:59:28 -0800 (PST)
Message-ID: <201212122259.qBCMxSt7021550_at_zagami.jpl.nasa.gov>

December 12, 2012

o A Circular Crack

  The first thing anyone thinks of when they see circular features
  on Mars is a crater. Is that the case here?

o Layers, Dunes and Cliffs in Hydrae Chasma

  Hydrae Chasma is a deep, circular depression that has steep walls
  flanked by numerous landslides and a massive scarp along its southern

o Monitoring a New Impact Site in Fortuna Fossae

  This impact site is located on the floor of a large fracture within
  Fortuna Fossae, formed sometime between September 2005 and May 2008.

o A Defrosting Mess

  Just like on the Earth, the frost layer that accumulates over the winter
  will disappear as summer approaches and Mars heats up.

All of the HiRISE images are archived here:


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 12 Dec 2012 05:59:28 PM PST

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