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What Astronomers Learned From A Near-Earth Asteroid They Never Saw Coming
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Popular Science 11/1/23 "No one spotted space rock 2023 NT1 until two days after it missed us." "This asteroid, named 2023 NT1, passed by us at only one-fourth of the distance from Earth to the moon." "The study team estimated that, if NT1 hit Earth, it could have the energy of anywhere from 4 to 80 intercontinental ballistic missiles." https://www.popsci.com/science/aster...etary-defense/ .
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