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Its first target is a pyramid-shaped dark rock, about 10 inches tall and 16 inches wide at the base. Two of the arm's chemical-sniffing devices will snuggle up against the rock
-- named for Jake Matijevic, a Mars rover engineer who died recently
-- so scientists can figure out what it is made of. "It's just a cool looking rock sitting out there on the plains," said Mars Science Laboratory scientist John Grotzinger. But it's not that unusual and seems similar to rocks past rovers have tested before. That makes it a good start for the rover's testing equipment. It's the type of rock that is scattered all over Mars probably blown out of a crater when it was hit by an asteroid or something, Grotzinger said.
[Associated
Press;
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