Digging deep into Martian soil

Digging deep into Martian soil

NASA's rover takes a closer look at Mars' surface

By Nadia Drake, 11:47 AM November 16, 2012

NASA’s Curiosity rover isn’t leaving just tire tracks in the reddish Martian dust — it’s also leaving scoop marks in an area called Rocknest, about 480 meters away from where the rover touched down in August.

On October 30, NASA announced that the rover had completed its first detailed analysis of the Martian surface using the CheMin X-ray analysis instrument, which shoots X-rays into collected samples.

The results suggest that the Rocknest soil is rich in minerals such as olivine, feldspar and...

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