Mars has blue-hued sand dunes Unknown 07:16 Mars Reconnaissance Orbiter snapped this giant Martian sand dune that has a turquoise blue hue in enhanced color. (more…) Share: Email ThisBlogThis!Share to XShare to Facebook Related Posts:Weird Al getting his Hollywood Walk of Fame starHistory of the California tiki scene covered in new bookThis Queen for a Day image series was made completely from scratchWatch these hypnotic Chladni patterns in colorTour this impressive 3D selfie museum