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Scientists have argued about the origins of Mercury's smooth plains and the source of its magnetic field for more than 30 years.
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NASA is developing new spacecraft, the Ares rockets and Orion crew capsule, to deliver astronauts to the International Space Station and send them on their way to the moon.
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Students from all over the world will gather to participate in the Odyssey of the Mind's 29th
World Finals, a creative problem-solving competition, at the University of Maryland.
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