This undated image provided by Caltech, taken by Europe’s LOFAR (LOw Frequency ARray) radio telescope, shows the longest known pair of black hole jets, as reported Wednesday, Sept. 18, 2024, in the journal Nature. (LOFAR Collaboration/Martijn Oei/Caltech via AP)
The jets shooting hot plasma are the largest ever spotted – about as long as 140 Milky Way galaxies lined up end-to-end.
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