NASA Mars Spacecraft Reveals A More Dynamic Red Planet


NASA’s Mars Reconnaissance Orbiter has revealed to scientists slender dark markings — possibly due to salty water – that advance seasonally down slopes surprisingly close to the Martian equator.

“The equatorial surface region of Mars has been regarded as dry, free of liquid or frozen water, but we may need to rethink that,” said Alfred McEwen of the University of Arizona in Tucson, principal investigator for the Mars Reconnaissance Orbiter (MRO) High Resolution Imaging Science Experiment (HiRISE) camera.

Tracking how these features recur each year is one example of how the longevity of NASA orbiters observing Mars is providing insight about changes on many time scales. Researchers at the American Geophysical Union meeting Tuesday in San Francisco discussed a range of current Martian activity, from fresh craters offering glimpses of subsurface ice to multi-year patterns in the occurrence of large, regional dust storms.

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    December 11, 2013 at 3:51 am
  2. December 11, 2013 at 11:55 am

    Reblogged this on 3…2…1… and commented:
    Awesome post! Will resume posting my own writings after finals, but be sure to check this out!

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