Martian soil may contain detrimental substance

Scientists are analyzing results from soil samples delivered several weeks ago to science instruments on NASA's Phoenix Mars Lander to understand the landing site's soil chemistry and mineralogy.

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<p><a href="http://www.physorg.com/news137128096.html">Martian soil may contain detrimental substance</a></p> <p>Scientists are analyzing results from soil samples delivered several weeks ago to science instruments on NASA's Phoenix Mars Lander to understand the landing site's soil chemistry and mineralogy. </p>