Spirit Rover Begins Probing Martian Soil ABCNews

The Spirit rover used its entire tool kit for the first time to complete a down-and-dirty analysis of the martian soil, using a “Swiss army knife” of gadgets to probe the dirt’s mineral composition, scientists said Tuesday. NASA scientists said the results of the probe which included the first-ever analysis by a Mossbauer spectrometer outside Earth revealed as many questions as answers.