Now showing items 1-2 of 2

    • Discovery of Giant Gamma-ray Bubbles in the Milky Way 

      Su, Meng (2012-08-09)
      Based on data from the Fermi Gamma-ray Space Telescope, we have discovered two gigantic gamma-ray emitting bubble structures in our Milky Way (known as the Fermi bubbles), extending \(\sim 50\) degrees above and below the ...
    • Hot Accretion Flows Around Black Holes 

      Yuan, Feng; Narayan, Ramesh (Annual Reviews, 2014)
      Black hole accretion flows can be divided into two broad classes: cold and hot. Cold accretion flows, which consist of cool optically thick gas, are found at relatively high mass accretion rates. Prominent examples are the ...