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What's really going on?
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Icey |
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Sounding the Alarm: Comets Pose Threat to Earth, TooLess than %50 If your death-from-above musings focus solely on asteroids, you need to broaden your worried mind. Comets can also deliver a heaping helping of calamity to Earth, and scientists and policymakers alike should start taking measures to combat the threat, said Joseph Nuth, a researcher at NASA's Goddard Space Flight Center in Greenbelt, Maryland. "Comets have largely been ignored by people that are interested in defending the planet," Nuth said during a news conference Monday (Dec. 12) here at the annual fall meeting of the American Geophysical Union (AGU). [Best Close Encounters of the Comet Kind] The main reason for this lack of attention is the perception that not much can be done about an incoming comet, because of the difficulties involved in spotting and tracking these icy bodies, Nuth said. But something can indeed be done, if we're sufficiently prepared, he stressed. [ link to www.space.com (secure)]
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