Related topics: mars

Study reveals how sand dunes alter seismic waves

Sand dunes may be lovely to behold, but they have long been seismic troublemakers to geophysicists trying to detect what lies underground nearby. A new study takes a stab at figuring out just how dunes are fouling seismic ...

A theoretical analysis of sand mega-ripples

A team of researchers from several institutions in Germany and Israel has used theoretical analysis to explain the conditions under which mega-ripples form in areas where sand dunes rise. In their paper published in the journal ...

Image: The case of the Martian boulder piles

This image was originally meant to track the movement of sand dunes near the North Pole of Mars, but what's on the ground in between the dunes is just as interesting!

Where does the sand on Mars come from?

This image from NASA's Mars Reconnaisance Orbiter (MRO) shows one possible place where sand grains are being produced on Mars today. Discovered in images from the Context Camera, this region exhibits dark material that is ...

Parched Jordan starts growing vegetables in desert

Jordan, a water-poor country that is 90-percent desert, on Thursday launched a project to turn its sand dunes into farming land to produce food using sun and sea water.

Image: Thar Desert, India

The Copernicus Sentinel-2A satellite brings us over northwest India with this false-colour image captured on 4 March 2017.

Restoring sand dunes, one microbe at a time

Sand dunes pull double duty—offering a visual treat both for their undulating curves and their ability to attract birds and other wildlife, while affording protection from storm surges and the threat of rising sea levels.

Curiosity rover's sand-dune studies yield surprise

Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today provides new clues about the atmosphere's history.

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