Careful observations of gamma-ray burst GRB 011121 have uncovered remnants of the exploded star, whose signature was buried in the bright, fading embers. Now, for the first time, two compelling tell-tale signatures of the massive star were observed. As explained by Kulkarni, who is the McArthur Professor of Astronomy and Planetary Sciences at Caltech and the head of the international team that made this discovery, "With these observations we have tied this gamma-ray burst to an exploding star. I am absolutely delighted that nature provided us with such a clean answer."
http://www.cosmiverse.com/news/space/space05170204.html
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