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'City killer' asteroid now has 3.1% chance of hitting Earth: NASA
NASA An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released Tuesday -- making it the most threatening space rock ever recorded by ...
NASA increases odds of asteroid hitting Earth to 1 in 32
It could cause mass destruction if it lands in a populated area - hundreds of times worse than the Hiroshima bomb ...