Centaurus A: radio view of the nearest active galaxy 10/09/1999
The radio image shows striking jet-like structures that flare out from the center of the galaxy NGC5128. These structures have been traced well beyond the galaxy out to distances of 600,000 years.
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Image Credit: NRAO, AUI  

The radio image shows striking jet-like structures that flare out from the center of the galaxy. These structures have been traced well beyond the galaxy out to distances of 600,000 years. The total length of the radio jet shown here is about ten arc minutes, or about 30,000 light years in length. The radio emission is produced by the synchrotron process, in which high energy electrons radiate as they spiral around the magnetic field of the galaxy.

Angular size of box = 12.5 arc min corresponding to 42,000 light years

 
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