(Discovery News) A Sublime Springtime for Martian Dunes: Big Pic
By , Posted 02/03/12
Link: http://feedproxy.google.com/~r/DiscoveryNews-Space-News/~3/dWrdsN3YyWE/big-pi...
When northern spring warms subsurface ice on Mars, dry ice eruptions paint the red dunes black.
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