NASA’s DART mission was hailed as a planetary defense success when it struck the asteroid moonlet Dimorphos in 2022, altering its orbit around Didymos. But new research reveals a shocking twist: the impact may have created a hidden danger. Scientists warn that deflecting asteroids the wrong way could push them through gravitational keyholes, regions of space where planetary gravity redirects their paths back toward Earth. Using probability maps and advanced models, researchers now stress the importance of striking the right spot to prevent future collisions. With near passes from asteroid Apophis in 2029 and YR4 2024 in 2032, the urgency to refine planetary defense has never been greater. Could Earth still be at risk despite our best efforts?
#nasa #asteroid #wionpodcast
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