You’re going to see more ‘city-killer’ asteroids, but fret not: MIT astronomer

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You’re going to see more ‘city-killer’ asteroids, but fret not: MIT astronomer

This week's hype around a "city-killing" asteroid possibly striking Earth raised the fears of many before the odds of impact dropped to nearly nothing, but the MIT scientist who developed the risk scale for this type of event said it still has a lot to teach the public.