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Bubble Model of Extragalactic Radio Sources


The components of radio sources are identified with bubbles of relativistic plasma rising through the hot gas which produces the X-ray emission from clusters of galaxies. Continuous release of energy in the nucleus of a galaxy will lead to the formation of two such bubbles, moving in opposite directions along the axis of rotation.

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GULL, S., NORTHOVER, K. Bubble Model of Extragalactic Radio Sources. Nature 244, 80–83 (1973).

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