Astronomers have discovered a hitherto unseen population of galaxies with fading radio lobes, revealing what happens to these vast outflows when their black hole engines stall.

Source: [Space.com](https://www.space.com/astronomy/black-holes/what-happens-when-a-galaxys-supermassive-black-hole-turns-off-these-dying-radio-galaxies-could-show-us)

Sponsored