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Il nostro pianeta è stato colpito nel corso della giornata di giovedì da una pioggia di particelle provocata da una grande eruzione solare osservata dagli astronomi negli scorsi giorni.
Gli esperti ritengono che l'impatto sul campo magnetico terrestre abbia causato solo piccole interferenze. Sarebbero esclusi pericoli per gli aeroplani in volo, così come per gli astronauti a bordo della Stazione spaziale internazionale.
Il fenomeno è di grado G3, cioè medio, in una scala che va da 1 a 5. Ulteriori valutazioni saranno effettuate nelle prossime ore.
ATS/A.B.
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