NASA's Fermi mission, Namibia's HESS telescopes explore a blazar
Friday, March 20, 2009 - 06:01
in Astronomy & Space
An international team of astrophysicists using telescopes on the ground and in space have uncovered surprising changes in radiation emitted by an active galaxy. The picture that emerges from these first-ever simultaneous observations with optical, X-ray and new-generation gamma-ray telescopes is much more complex than scientists expected and challenges current theories of how the radiation is generated...