Blasting over two million lights years from the center of a distant galaxy, PKS 0637-752 is a ‘supersonic jet’ of material that looks a lot like the afterburner flow of a fighter jet – but in this case the jet engine is a supermassive black hole and the jet material is actually moving at closer to the speed of light.

This megaparsec, galaxy-scale jet has bright and dark regions, similar to the phenomenon in  afterburner exhaust called ‘shock diamonds.’ This new image of the previously studied jet reveals regularly spaced areas that are brighter than the rest of the jet in a pattern that echoes the way the afterburner from a jet engine has brighter diamond-shaped areas in its general glow.


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