Despite extensive analysis, Fermi bubbles defy explanation

August 1, 2014 12:56 PM

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Despite extensive analysis, Fermi bubbles defy explanation

(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.

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