Frosty Sand Dunes of Mars Tapestry t-shirt This image actually shows part

This image actually shows part of the Large Magellanic Cloud (LMC)

West towards upper right

R) and one narrow-band filter (H-alpha)

Atmosphere: Hydrogen

Frosty Sand Dunes of Mars Tapestry t-shirt This image actually shows partA field of sand dunes occupies this frosty 5 kilometer diameter crater in the high latitudes of the northern plains of Mars. Some dunes have separated from the main field and appear to be climbing up the crater slope along a gully like form. The surface of the main dune field is characterized by a series of dark toned polygonal patterns. These may be the result of seasonal frost processes. Several of the steeper dune slopes, pointing in the downwind