"Thissupernovaremnantgotreallybig, really fast," saysBrianJ.Williams, a postdoctoralresearchscholaratNorth Carolina State University, where researchersled ateamofastrophysicists.
Mr. Tsarnaev's ability to speak Russian would have allowed him to be something of a "native guide for Kazakhs far from home, " said Brian Glyn Williams, a professor of Islamic history at the university who once advised Mr. Tsarnaev on a paper he was writing on Chechnya.
Ms. Bary stated she had made her conversion to Christianity over a period of years, but in June 2009 was baptized in Ohio by BrianWilliams, a 21 year old associate.