Each of the 600 newly released observations from the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter covers an area of several square miles on Mars and reveals details as small as desks.


The HiRISE images taken from April 5 to May 6, 2010, are now available on NASA's Planetary Data System (http://pds.jpl.nasa.gov/) and the camera team's website (http://hirise.lpl.arizona.edu). They cover a diversity of landscapes on Mars, including scenes with sinuous gullies, geometrical ridges, steep cliffs, lava flows and many other features.


The camera is one of six instruments on NASA's Mars Reconnaissance Orbiter, which reached Mars in 2006. For more information about the mission, see http://mars.jpl.nasa.gov/mro/.

  • Northern Hemisphere Gullies on West-Facing Crater Slope, Mars

    This image shows the west-facing side of an impact crater in the mid-latitudes of Mars' northern hemisphere. The High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter took the image on April 13, 2010. It is one of 600 recent HiRISE observations newly released to NASA's Planetary Data System.



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  • Polygonal Ridge in Gordii Dorsum Region, Mars

    This image from the Gordii Dorsum region of Mars shows a large area covered with polygonal ridges in an almost geometric pattern. The ridges may have originally been dunes that hardened through the action of an unknown process. Groundwater might have been involved.



    The High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars...

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