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Rare Martian Lake Delta Spotted by Mars Express

September 2, 2011 Leave a comment

Credits: ESA/DLR/FU Berlin (G. Neukum)

Credits: ESA/DLR/FU Berlin (G. Neukum)

ESA’s Mars Express has spotted a rare case of a crater once filled by a lake, revealed by the presence of a delta. The delta is an ancient fan-shaped deposit of dark sediments, laid down in water. It is a reminder of Mars’ past, wetter climate.

The delta is in the Eberswalde crater, in the southern highlands of Mars. The 65 km-diameter crater is visible as a semi-circle on the right of the image and was formed more than 3.7 billion years ago when an asteroid hit the planet.

 

 

 

Full Story: http://www.esa.int/esaSC/SEMM71VTTRG_index_0.html

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