Spiky Probe on NASA Mars Lander Raises Vapor Quandary

(PhysOrg.com) -- A fork-like conductivity probe has sensed humidity rising and falling beside NASA's Phoenix Mars Lander, but when stuck into the ground, its measurements so far indicate soil that is thoroughly and perplexingly dry.

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<p><a href="http://www.physorg.com/news139841778.html">Spiky Probe on NASA Mars Lander Raises Vapor Quandary</a></p> <p>(PhysOrg.com) -- A fork-like conductivity probe has sensed humidity rising and falling beside NASA's Phoenix Mars Lander, but when stuck into the ground, its measurements so far indicate soil that is thoroughly and perplexingly dry. </p>