Simulations predicted Mars lander would hit sub-surface

University of Michigan simulations correctly predicted that the pulsed jets of the Mars Phoenix lander would strip the soil to the subsurface ice or rock as the craft touched down.

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<p><a href="http://www.physorg.com/news131636177.html">Simulations predicted Mars lander would hit sub-surface</a></p> <p>University of Michigan simulations correctly predicted that the pulsed jets of the Mars Phoenix lander would strip the soil to the subsurface ice or rock as the craft touched down.</p>