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               Probe Captures Dramatic Shot of Martian Dust Devil

   by VOA News

   NASA's Opportunity rover has spotted a very Earth-like phenomenon on
   Mars.

   The space agency posted a photo of a Martian dust devil twisting its
   way across the Meridiani Planum, where the rover has been for more than
   4,000 Martian days. Opportunity touched down on Mars in 2004.

   Opportunity's deputy principal investigator Ray Arvidson told the
   website [1]Mashable, "This is one of the best dust devils that we have
   seen in Meridiani Planum. We are lucky to have captured this one in an
   image!"

   As on Earth, Martian dust devils are created when a part of the surface
   of the planet heats up faster than adjacent areas.

   This is not the first time a dust devil has been spotted on Mars. In
   2012, the Mars Reconnaissance Orbiter observed one that was more than
   19 kilometers tall. The Spirit rover also spotted Martian dust devils.

   NASA reports that Opportunity is still working fine and recently
   attempted to climb the "[2]steepest slope ever tackled by any Mars
   rover," but its wheels kept slipping, preventing it from making it to
   the top.
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   [3]http://www.voanews.com/content/mht-opportunity-rover-captures-photo-
   of-martian-dust-devil/3268231.html

References

   1. http://mashable.com/2016/04/02/mars-rover-opportunity-dust-devil-photo/#Rl7yh2FLAqqC
   2. http://www.nasa.gov/feature/jpl/rover-takes-on-steepest-slope-ever-tried-on-mars
   3. http://www.voanews.com/content/mht-opportunity-rover-captures-photo-of-martian-dust-devil/3268231.html