Frosty Sand Dunes of Mars Tapestry t-shirt Three-colour composite mosaic image of

Three-colour composite mosaic image of the Eagle Nebula (Messier 16

Atmosphere: Hydrogen

000 light-years from Earth

Measuring 70 000 light-years across and laying 13 million light-years away

Frosty Sand Dunes of Mars Tapestry t-shirt Three-colour composite mosaic image ofA 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