Specialiștii sugerează că semnalele radio ar putea să provină de la rezultatul exploziei unei stele până la transmisii de la presupuse forme de viață extraterestră. Totuși, există prea puține informații pentru a se stabili cu exactitate de unde provin, scrie The Independent.
Semnalele au durat o milisecundă, dar sunt aruncate cu aceeași cantitate de energie pe care soarele o produce într-un an, fenomenul repetându-se de șase ori.
Din 60 de astfel de cazuri înregistrate a mai existat o singură situație în care semnalele să se repete. De obicei, ele sunt diferite, spun experții.
„Indiferent de sursa acestor unde radio, este interesant să vedem cât de largă este gama de frecvențe pe care le poate produce. Există câteva modele în care sursa intrinsecă nu poate produce nimic sub o anumită frecvență”, afirmă un cercetător de la Universitatea McGill, din Canada.
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