11 ms·

Full text new release: http://www.nasa.gov/home/hqnews/2013/feb/HQ_13-063_NuSTAR_Black_Hole_Spin.html http://www.nasa.gov/home/hqnews/2013/feb/HQ_13-063_NuSTAR

Full text new release: http://www.nasa.gov/home/hqnews/2013/feb/HQ_13-063_NuSTAR_Black_Hole_Spin.html http://www.nasa.gov/home/hqnews/2013/feb/HQ_13-063_NuSTAR_Bl...