Count up all the stuff in a galaxy and you should have a pretty good understanding of how much light is being emitted. But that doesn’t seem to be the case for our own Milky Way. Our galaxy’s got a source of extra gamma rays, the highest-energy light, right in its center. And scientists don’t know where all that…
Source: Gizmodo – Scientists Think They Know What’s Behind Those Mysterious Gamma Rays in the Galactic Center