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Messenger probe sets its sights on Mercury.(The Orlando Sentinel)
Byline: Gwyneth K. Shaw
WASHINGTON _ It has been almost 30 years since scientists got a chance to see Mercury up close. But early Monday, NASA hopes to launch a tiny spacecraft on a seven-year trip toward the sun's closest planet.
Excited scientists have been waiting for new data since 1975 when Mariner 10 made its last flyby of the planet. Then Mariner mapped only 45 percent of the planet's surface, leaving the rest a mystery.
"There's a certain science-fiction aspect to it," said Timothy Dowling, director of the Comparative Planetology Laboratory at the University of Louisville.
"It's just a place that's got lots of extremes," he said. "They're actually going to answer some questions that have been open for decades."
The ...
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Source: HighBeam Research, Messenger probe sets its sights on Mercury.(The Orlando Sentinel)