News Space 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 Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Lisa Grossman September 18, 2024 at 11:00 am Opposing fountains of plasma and particles spanning 23 million light-years are the longest pair of black hole jets ever seen.