"Opportunity" has taken its maiden martian voyage. NASA scientists say the rover rolled about ten feet overnight. A mission spokesman says the robot is about halfway to a group of rocks that scientists want to study.
It's the craft's first real drive since descending off the lander over the weekend. Scientists have been intrigued by rounded pebbles the rover is rolling over.
The mission's main scientist says his team doesn't "quite know what these things are yet." Scientists say the pebbles may have been formed by sea erosion.
That's just one of several competing theories.
On the other side of the planet, "Spirit" should be getting back to work. Scientists have flushed its memory and are rebooting the rover's computers to try to solve software problems.
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