• Observing the signature of a single prolific r-process event in an ultra-faint dwarf galaxy 

      Frebel, Anna (Georgia Institute of Technology, 2017-10-23)
      The heaviest chemical elements in the periodic table are synthesized through the rapid neutron-capture (r-) process but the astrophysical site where r-process nucleosynthesis occurs is still unknown. The best candidate ...
    • What Sets the Maximum Spin Rate of Neutron Stars? 

      Wasserman, Ira (Georgia Institute of Technology, 2011-10-19)
      Neutron stars are observed to rotate as fast as 716 Hz. Astrophysicists believe that they are spun-up by accretion of matter and angular momentum in binary star systems. However, the “r-mode'' instability of rotating neutron ...