via Despite extensive analysis, Fermi bubbles defy explanation.

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.
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