HiPOD HiRise Images from Mars Show White Frost on the Surface of the Red Planet HiPOD HiRise images of Mars: A soothing way to start your day. These polar dunes show both carbon dioxide frost (the white colored areas) along with darker material that’s been exposed due to sublimation. Pretty cool images from the red (and white) planet. Steven Agar | May 2, 2018 1 Comment
