jan 272013
Giant, Magnetized Outflows from our Galactic Center

  Two years ago, CfA astronomers reported the discovery of giant, twin lobes of gamma-ray emission protruding about 50,000 light-years above and below the plane of our Milky Way galaxy, and centered on the supermassive black hole at our galaxy’s core. The scientists argued then that the bubbles were produced either by an eruption from [continue reading]