Una pioggia di meteoriti ha illuminato lo scorso 6 di maggio il cielo della Tasmania. Nella immagini - girate Ashton Howe e diffuse solo oggi - si può vedere il cielo brillare a causa delle Eta Aquaridi.
Si tratta di meteore - o stelle cadenti - legate ai residui della cometa di Halley e rappresentano una delle correnti più cospicue dell’anno.
Questo fenomeno è visibile ogni anno tra aprile e maggio. Le regioni che possono godersi meglio lo spettacolo sono quelle meridionali, poiché hanno più tempo di osservazione a disposizione: cioè il momento in cui il radiante sorge fino al crepuscolo.
joe.p.
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