Ancient Floods on Mars
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Ancient Floods on Mars

June 3, 2005

This image, taken by the High Resolution Stereo Camera (HRSC) aboard ESA's Mars Express spacecraft, shows a large depression called Iani Chaos and the upper reaches of a large outflow channel called Ares Vallis.

Image strips were taken in October 2004, during three orbits from a 350-kilometre altitude, with a resolution of 15 metres per pixel. The strips have then been matched to a mosaic that covers an area from 17.5º western longitude to 3º North. The Iani Chaos depression - 180 kilometres long and 200 kilometres wide - is connected to the beginning of Ares Vallis by a 100-kilometre wide transition zone.

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