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NASA Confronts 72% Asteroid Impact. Probability: A Planetary Defense Test. Asteroid Impact Preparedness
A large asteroid impacting Earth is highly unlikely for the foreseeable future. But because the damage from such an event could be great, NASA leads hypothetical asteroid impact “tabletop” exercises every two years with experts and decision-makers from federal and international agencies to address the many uncertainties of an impact scenario. The most recent exercise took place this past April, with a preliminary report being issued on June 20.
https://scitechdaily.com/nasa-confronts-...ense-test/