Opportunity's Panoramas of Martian Crater Thrill Scientists
By Marc Kaufman
Washington Post Staff Writer
Saturday, October 7, 2006; Page A11
After a 21-month journey, NASA's Mars rover Opportunity sends back its first clear images of a large Martian crater. Scientists believe the images will provide a tremendous amount of information about the history and nature of the planet.
The Mars rover Opportunity yesterday sent back its first color panorama of the large Martian crater it reached last week after a 21-month trek, and NASA scientists could barely contain their excitement about what they saw.
The dramatic pictures of sharp rock faces marked the beginning of an exploration that NASA scientists believe will be among the most fruitful ever in learning about the history of Mars. Victoria Crater, where Opportunity is now poised, is five times the size of any of the craters the rovers had previously visited -- more than half a mile wide and up to 200 feet deep.
At a news briefing yesterday, rover scientist James F. Bell III of Cornell University said: "It's like going to the Grand Canyon and seeing what you can from several different overlooks before you walk down. What we see so far just adds to the excitement."
The depth of the crater excites Mars scientists because the many visible layers of exposed rock are likely to yield new insights into the planet's past, especially when it may have had liquid water.
The Mars robot Opportunity and its twin Spirit landed on Mars in early 2004 and were expected to last about 90 days. More than 900 days later, Opportunity is now sending back the most dramatic images of its voyage....
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