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Observation and origin of non-thermal hard X-rays from Jupiter

Mori, Kaya; Branduardi-Raymont, Graziella; Nynka, Melania +10 more

Electrons accelerated on Earth by a rich variety of wave-scattering or stochastic processes^1,2 generate hard, non-thermal X-ray bremsstrahlung up to ~1 MeV (refs. ^3,4) and power Earth's various types of aurorae. Although Jupiter's magnetic field is an order of magnitude larger than Earth's, space-based telescopes have previou…