http://arxiv.org/pdf/1407.7905.pdf
In the summary, the microwave and gamma radiation is caused by the interaction of protons and electrons in a fairly weak magnetic field. On Sat, Aug 2, 2014 at 5:48 PM, H Veeder <hveeder...@gmail.com> wrote: > > Despite extensive analysis, Fermi bubbles defy explanation > > Aug 01, 2014 > > (Phys.org) —Scientists from Stanford and the Department of Energy's SLAC > National Accelerator Laboratory have analyzed more than four years of data > from NASA's Fermi Gamma-ray Space Telescope, along with data from other > experiments, to create the most detailed portrait yet of two towering > bubbles that stretch tens of thousands of light-years above and below our > galaxy. > > The bubbles, which shine most brightly in energetic gamma rays, were > discovered almost four years ago by a team of Harvard astrophysicists led > by Douglas Finkbeiner who combed through data from Fermi's main instrument, > the Large Area Telescope. > > The new portrait, described in a paper that has been accepted for > publication in The Astrophysical Journal, reveals several puzzling > features, said Dmitry Malyshev, a postdoctoral researcher at the Kavli > Institute for Particle Astrophysics and Cosmology who co-led on the > analysis. > > For example, the outlines of the bubbles are quite sharp, and the bubbles > themselves glow in nearly uniform gamma rays over their colossal surfaces, > like two 30,000-light-year-tall incandescent bulbs screwed into the center > of the galaxy... > > http://phys.org/news/2014-08-extensive-analysis-fermi-defy-explanation.html > > > >
