A new batch of 15 Giant Radio Galaxies, the largest of which is 12.4 light-years wide, could help reveal how black holes and galactic mergers help the universe's largest single objects grow so large.

Astronomers discover 15 new giant radio galaxies — the largest single objects in the universe

Source: space
Source Link: https://www.space.com/astronomy/astronomers-discover-15-new-giant-radio-galaxies-the-largest-single-objects-in-the-universe