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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 processes1,2 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…
Time variation of Jupiter's internal magnetic field consistent with zonal wind advection
Bolton, S. J.; Connerney, J. E. P.; Cao, H. +3 more
Determination of the time dependency (secular variation) of a planet's magnetic field provides a window into understanding the dynamo responsible for generating its field. However, of the six Solar System planets with active dynamos, secular variation has been firmly established only for Earth. Here, we compare magnetic field observations of Jupit…