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Mars orbiters, rovers poised for dramatic comet flyby

Mars orbiters rovers poised for dramatic comet flyby CBS News


"We're going to observe an event that happens maybe once every million years," Jim Green, director of NASA's planetary science division, told reporters. "And this is where a comet coming from the farthest reaches of the sun's gravity will come to the inner part of our solar system. This comet will fly right in front of the planet Mars. Mars will be blanketed in cometary material."

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Once in a million years, eh? I feel special to be around for it...

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