Astronomy: Capture of the Moon

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* Discovered by French Mathematician Edouard Roche in 1850. For the present earth-moon system. Roche's limit is about 9,700 miles from the earth's center. The limit applies to bodies held together principally by gravitation, not to man-made satellites.

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ROBERT GIBBS, White House press secretary, confirming to the press on Monday that President Obama will send more troops to Afghanistan; the highly anticipated decision will be outlined in the coming days and is expected to include about 30,000 more troops
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Quotes of the Day »

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ROBERT GIBBS, White House press secretary, confirming to the press on Monday that President Obama will send more troops to Afghanistan; the highly anticipated decision will be outlined in the coming days and is expected to include about 30,000 more troops

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