In the double-exhaust model, the radio lobes of a radio galaxy are inflated by

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In the double-exhaust model, the radio lobes are inflated by jets of excited gas flowing from the central galaxy. This gas is typically ionized and accelerated by the intense magnetic fields around the supermassive black hole at the center of the galaxy. As the gas flows outwards, it collides with the ambient gas in the galaxy, creating shock waves that generate radio emission. This process is believed to be responsible for the formation of the double lobes seen in many radio galaxies.

In the Double-Exhaust Model, the Radio Lobes of a Radio