It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Thank you.
Some features of ATS will be disabled while you continue to use an ad-blocker.
"What we see are two gamma-ray-emitting bubbles that extend 25,000 light-years north and south of the galactic center," said Doug Finkbeiner, an astronomer at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass., who first recognized the feature. "We don't fully understand their nature or origin."
A newly-discovered structure, which spans 50,000 light-years and is positioned in the center of the Milky Way, was identified by NASA's Fermi Gamma-ray Space Telescope.
...
"What we see are two gamma-ray-emitting bubbles that extend 25,000 light-years north and south of the galactic center," said Finkbeiner. "We don't fully understand their nature or origin."