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WarningQuand les astrophysiciens indiens détectent l'apparition d’une inquiétante vulnérabilité de la Terre aux tempêtes solaires
En juin 2015, une puissante éruption solaire fendait le champ magnétique terrestre pendant près de deux heures. Cet événement n'a pas eu de conséquences particulières, mais une tempête plus forte pourrait être dévastatrice.
9 novembre 2016