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Space Science

Earth Under Threat From Dark Comets 149

An anonymous reader writes "Comets could be the most significant impact hazard to Earth, with sky surveys underestimating the number that are potentially devastating by a factor of between 10 and 100, UK astrophysicists say."
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Earth Under Threat From Dark Comets

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One man's "magic" is another man's engineering. "Supernatural" is a null word. -- Robert Heinlein

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