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  1. NASA looking for ways to destroy asteroid that could strike Earth, kill city

    NASA looking for ways to destroy asteroid that could strike Earth, kill city

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  2. A major asteroid smashes into Earth in 2032, 3.1% chance, up from 2.6% last week.

    A major asteroid smashes into Earth in 2032, 3.1% chance, up from 2.6% last week.

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