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(ANSA) – DENVER, 1 MAR – Scoperto un nuovo anello, finora sconosciuto, di particelle cariche attorno alla Terra: e’ una possibile ‘terza’ fascia di Van Allen ed e’ stato osservato per poco piu’ di un mese prima che scomparisse trascinato via dal vento solare. Il fenomeno, descritto su Science, e’ stato scoperto da ricercatori dell’Universita’ del Colorado grazie a una coppia di satelliti della Nasa, lanciati ad agosto 2012 per studiare i potenziali danni o disturbi dalle fasce di particelle su satelliti o astronauti.
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