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How this 'risky asteroid' gave astronomers a tricky challenge
lundi 4 juillet 2022, 13:13 , par ZDNet
2021 QM1 was predicted to come dangerously close to Earth - so scientists were concerned when it briefly disappeared from view.
https://www.zdnet.com/article/2021-qm1-how-humankinds-most-risky-asteroid-nearly-escaped-scientists/
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sam. 4 mai - 12:12 CEST
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