Searching for Connections among the Fermi Bubbles, the Galactic Center GeV Excess, and Loop I

Dear Colleagues,

The Fermi bubbles, the Galactic center excess, and Loop I are bright extended sources of gamma rays. In spite of a significant effort to explain the origin of these objects, many unresolved questions remain. In this Special Issue we will review recent data analysis and theoretical modeling to search for possible connections among the three “elephants” in the gamma-ray sky. We will also discuss how future observations can shed light on the origin of these features.

Dr. Dmitry Malyshev
Guest Editor

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