Frosty Sand Dunes of Mars Tapestry t-shirt Atmosphere: Hydrogen

Atmosphere: Hydrogen

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

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

Its spiral arms appear distorted and displaced above the main plane of the galaxy

some of the surrounding material collapses under gravity to form a rotating

Frosty Sand Dunes of Mars Tapestry t-shirt Atmosphere: HydrogenA 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