Défense planétaire : lancée à 18 000 km/h, une sonde japonaise frôle un astéroïde pour tester une manœuvre de déviation
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Auriane Polge
7h agofr
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Science et vieDéfense planétaire : lancée à 18 000 km/h, une sonde japonaise frôle un astéroïde pour tester une manœuvre de déviationscience-et-vie.comQuatre ans après le succès de la mission américaine DART, Hayabusa2 a réalisé l'un des passages les plus rapprochés jamais tentés sur un objet géocroiseur, validant la maîtrise japonaise du guidage orbital.
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