• By Annalee Newitz
    Dec 11, 2007 2:18 PM 52
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    #astronomy

    First Clear Look At One Of The Galaxy's Greatest Mysteries

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    read more: #mars, #astronomy, #dudethatrules, #rover, #space

    More Evidence for Water on Mars

    Spirit, one of the Mars rovers, accidentally kicked up some dust with its unsteady wheel the other day, and revealed a possible history of water-saturated land on Mars. The wheel-kick laid bare some white sand deposits whose mineral composition is nearly pure silica — the kind of thing normally left behind by hot springs. Image via NASA. [PhysOrg]


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