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@SethMacFarlane ("Seth MacFarlane") wrote:
NASA: “While no known asteroid larger than 140 meters in size has a significant chance to hit Earth for the next 100 years… only about 40 percent of those asteroids have been found as of October 2021.”
https://www.politico.com/news/2021/11/20/global-planetary-defense-earth-asteroids-523072