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Science7 avril 2017
© ReutersGros caillou
Un astéroïde d'un kilomètre de diamètre va "frôler" la Terre le 19 avril
Un tel objet peut être considéré comme "très dangereux" en cas de collision avec la Terre, à partir de 140 mètres de diamètre.
Un astéroïde d'un kilomètre de diamètre va "frôler" la Terre le 19 avril
Vu sur: Lu sur 20 Minutes