These jets, pulsating as a result of black hole activity, produce shock fronts that are released into space surrounding the galaxy, releasing energy. This breathing-like process regulates the flow of gas that galaxies suck in to form stars, preventing them from growing out of control.
The study, led by graduate student Carl Richards, used advanced modeling to show how these high-pressure jets create pressure pulses that suppress gas accretion and subsequent star formation. This mechanism helps prevent galaxies from prematurely aging and explains why their gravitational pulls are not as strong as originally predicted.
Source: Ferra
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