Sand Dunes on Saturn’s Moon Titan January 25, 2012 | Geology.com Sand dunes are a dominant surface feature on Saturn’s moon Titan. They cover about 13%... Moving Sand Dunes on Mars November 30, 2011 | NASA New images from NASA's Mars Reconnaissance Orbiter show sand dunes moving across the surface of... Speeds of Sand Dunes on Mars May 11, 2012 | Caltech "Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across... Ending the Diamond Slump in Australia? March 2, 2012 | Business Insider Low diamond prices and a strong Australian dollar have caused problems for the Australian diamond... |