Meet Porphyrion, the largest pair of black hole jets ever seen
The gargantuan fountains could shape cosmic structures far beyond their own galaxy

High-energy jets emerge from two sides of a black hole (illustrated). The black hole resides in a galaxy that is part of a filament of the cosmic web (silvery wisps).
E. Wernquist, M. Oei, D. Nelson/IllustrisTNG Collaboration