NASA
13th August 2014, 17:40
http://solarsystem.nasa.gov/multimedia/gallery/PIA18594_th.jpg (http://solarsystem.nasa.gov/news/display.cfm?News_ID=47994)13 Aug 2014 - Taking a Tumble on Mars
A path resembling a dotted line from the upper left to middle right of this image is the track left by an irregularly shaped, oblong boulder as it tumbled down a slope on Mars before coming to rest in an upright attitude.
More... (http://solarsystem.nasa.gov/news/display.cfm?News_ID=47994)
A path resembling a dotted line from the upper left to middle right of this image is the track left by an irregularly shaped, oblong boulder as it tumbled down a slope on Mars before coming to rest in an upright attitude.
More... (http://solarsystem.nasa.gov/news/display.cfm?News_ID=47994)