Humans travel further into space in 2007
(Xinhua)
Updated: 2007-12-19 10:56
Updated: 2007-12-19 10:56
An undated photo released by NASA February 15, 2007 shows the surface of Mars displaying the effects of ancient underground fluids. New images of a craggy, fissure-filled canyon on Mars provide evidence of long-term underground water flows that may have provided a suitable environment for microbial life, scientists said on Thursday. [Xinhua]
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