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NASA's IXPE mission confirmed that X-rays in a black hole jet come from high-speed electrons colliding with photons, solving a 60-year mystery.
NASA's IXPE mission has solved a decades-old mystery by identifying the source of X-rays in a supermassive black hole’s jet within the galaxy 3C 84.
After 600 hours of observation, IXPE detected a 4% X-ray polarization, confirming that the X-rays result from inverse Compton scattering—where low-energy photons gain energy by colliding with high-speed electrons in the jet.
Data from Chandra, NuSTAR, and Swift supported this conclusion, ruling out external sources and validating the synchrotron self-Compton model.
The findings, published November 11, 2025, advance understanding of black hole jet physics and highlight IXPE’s role in probing extreme cosmic environments.
La misión IXPE de la NASA confirmó que los rayos X en un chorro de agujero negro provienen de electrones de alta velocidad que colisionan con fotones, resolviendo un misterio de 60 años.