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We use the very simple and successful Cannonball Model (CB) of gamma raybursts (GRBs) and their afterglows (AGs) to analyze the observations of thestrongly extinct optical AG of the relatively nearby GRB 011121, which weremade with ground-based telescopes at early times, and with the HST at latertime. We show that GRB 011121 was indeed associated with a 1998bw-likesupernova at the GRB's redshift, as we had specifically predicted for this GRBbefore the supernova could be observed.Comment: Submitted for publicatio

Is There a 1998[CLC]bw[/CLC]-like Supernova in the Afterglow of Gamma-Ray Burst 011121?