Friday, February 3, 2012



sand

sand
Are you searching for sand information? Here at http://www.skylook.net you can find lots of free sand articles, advice, how-to and so much more.

sand

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sand

Slope Streaks in Acheron Fossae on Mars

by Father Sky

What creates these picturesque dark streaks on Mars? No one knows for sure. A leading hypothesis is that streaks like these are caused by fine grained sand sliding down the banks of troughs and craters. Pictured above, dark sand appears to have flowed hundreds of meters down the slopes of Acheron Fossae. The sand appears [...]

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Rolling Across the Rocky Plains of Mars

by Father Sky

You stare out across the rocky plains of Mars. Before you, in every direction, is dark sand and bright rock. Although little has changed here for millions of years, no one has ever seen this view before. You are being sent on a long journey to a distant crater, the largest crater in the region. [...]

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Layered Hills in Arabia Terra on Mars

by Father Sky

Why are some hills on Mars so layered? The answer is still under investigation. Clearly, dark windblown sand surrounds outcropping of light sedimentary rock across the floor of crater Arabia Terra. The light rock clearly appears structured into many layers, the lowest of which is likely very old. Although the dark sand forms dunes, rippled [...]

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