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Prince George's
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A Model Of Planetary Exploration
Seventh-grader Alyssa Howard of Greenbelt can truly say she has held the whole world -- make that worlds -- in her hands.
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By Marcus Ngbea
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© 2007 The Washington Post Company
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A Model Of Planetary Exploration
Seventh-grader Alyssa Howard of Greenbelt can truly say she has held the whole world -- make that worlds -- in her hands.-
By Marcus Ngbea