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Fraser
2006-Jul-17, 05:39 PM
This image captured by ESA's Mars Express spacecraft shows the Iani Chaos region on Mars, east of Valles Marineris. The region is dominated by large, heavily weathered mesas (flattened hills). On the left side of the image, these mesas are about 1 km tall and are up to 8 km wide. The terrain might have been formed by the collapse of the ground after subsurface water or ice was removed.

Read the full blog entry (http://www.universetoday.com/2006/07/17/iani-chaos-on-mars/)

Blob
2006-Jul-17, 08:05 PM
Hum,
there is a larger view of the Iani Chaos depression (http://www.esa.int/SPECIALS/Mars_Express/SEMIKO0DU8E_0.html) here, (Iani Chaos and Ares Vallis), from 1 June 2005.