Two years from now astronomers will turn their telescopes towards the remnant of a supernova that exploded last year and hope to find evidence of a black hole. According to calculations by Luca Zampieri and Stuart Shapiro of the University of Illinois in Urbana, US, and Monica Copi of Unversità degli Studi di Milano in Italy, the black hole will reveal itself as a bump in the light curve of SN 1997D (Astrophysical Journal 502 L149).
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