B612 Foundation says city-destroying asteroids could hit Earth once per century

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Scientists estimated in the past that the likelihood of a major asteroid strike with the Earth large e**ugh to destroy a city is once every 3000 years. An organization called … Continue reading (http://www.slashgear.com/b612-foundation-says-city-destroying-asteroids-could-hit-earth-once-per-century-23326214/)http://feeds.feedburner.com/~r/slashgear/~4/**Pc5H9cpyY

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