ASTRONOMY:
Radio Traces of Cosmic Shock Waves
Torsten A. Enßlin
Colliding and fusing galaxy clusters should produce giant shock waves. The outlines of these waves have now been seen as radioemitting structures.
The author is at Max-Planck-Institut für Astrophysik, Garching, Germany. E-mail: ensslin{at}mpa-gardching.mpg.de