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Explozia de raze gamma a avut loc la o distanta de 12,2 miliarde de ani-lumina, iar lumina rezultata a avut nevoie de o perioada aproape egala cu varsta Universului pentru a ajunge la noi. Astronomii sunt de parere ca astfel de explozii au loc in momentul in care stelele raman fara gaz si intra in colaps pentru a forma o gaura neagra. Acestia au calculat viteza materiei care emite radiatiile gamma ca fiind de 99,9999 % din viteza luminii.
Sursa: The Independent
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