Article: NASA Spirit Rover Digs Into Martian Soil

JOHN ANTCZAK, Associated Press Writer
AP Online
02-21-2004
Dateline: LOS ANGELES
NASA scientists got another look beneath the surface of Mars after the rover Spirit dug a trench in the martian soil Friday, while its twin, Opportunity, prepared to examine a rock dubbed "El Capitan."

The upper few inches of the martian soil were being studied by instruments on each rover's arm for evidence of water, which would suggest the dusty, frigid Red Planet could have been hospitable to life at one time.

Spirit, working in a crater, used one of its six wheels to create a trench 2.8 inches to 3.1 inches deep. Spirit had to work twice as long as Opportunity did earlier, when it dug down 3.5-3.9 inches into ...

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