Earthlings might be treated to a dazzling celestial display this fall as Comet ISON makes a suicidal plunge toward the sun. But NASA's rovers and orbiters at Mars will get a glimpse of the icy wanderer first.
Earthlings might be treated to a dazzling celestial display this fall as Comet ISON makes a suicidal plunge toward the sun. But NASA's rovers and orbiters at Mars will get a glimpse of the icy wanderer first.
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