Permanent Freeze

  No it’s not Pan’s labyrinth, it’s a HiRISE image of a portion of Mars’ south polar ice cap showing frozen mesas made of layers of carbon dioxide ice. During the winter months on Mars โ€“ which is considerably colder than Earth โ€“ carbon dioxide is deposited as frost in the upper latitudes and evaporates…

Northern Exposure

Here’s a look at Mars’ north polar ice cap as seen by ESA’s Mars Express orbiter on September 30, 2010, edited by astrophotographer and digital artist Mike Malaska. The original image was taken from an altitude of ย 6,627 miles above Mars. See how he created this image on his Flickr photostream here, and check out…