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NASA just changed the odds of asteroid YR4 hitting Earth in 2032 yet again
(www.livescience.com)
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this post was submitted on 20 Feb 2025
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Not compared to the dinosaur killer. Chicxulub was around 10 kilometers wide, while 2024 YR4 is estimated to be ~100 meters wide. A hundred-fold increase in linear size roughly corresponds to million-fold increases in volume, mass, and energy. 2024 YR4 could wipe out a city, but nothing close to the effects of Chicxulub.
Yeah, I think we've catalogued those pretty extensively, and pinned down their orbits well enough to conclude that none of them pose a significant threat in the next century or so.