论文标题

木星和土星的辐射带

The radiation belts of Jupiter and Saturn

论文作者

Roussos, Elias, Kollmann, Peter

论文摘要

外行星轨道轨道(伽利略,朱诺和卡西尼)的时代正在促进我们对木星和土星的辐射带的结构,形成,形成和发展远远超出了弗莱比任务时代和基于地面观察的可能性。这些任务的将近二十年的数据集,在对地球辐射带的详细和长期观察的背景下,突出了哪些过程的加速粒子到相对论动力的能量并限制其通量强度的过程可以被认为是更为普遍的,因此对于大多数室外磁层的关键,都可以反映出每个平面层的独特之处。在本章中,我们关注基于地球的观测值的理论,模拟和相关测量的背景下的原位辐射带观测。我们描述了木星和土星的辐射带的平均状态和时间变化,并将它们与特定的物理过程相关联。

The era of outer planet orbiters (Galileo, Juno and Cassini) is advancing our understanding of how the radiation belts of Jupiter and Saturn are structured, form and evolve well beyond what had been possible during the age of flyby missions and ground-based observations. The nearly two decades-long datasets of these missions, in the context of detailed and long-term observations of Earth's radiation belts, highlight which of the processes that accelerate particles to relativistic kinetic energies and limit their flux intensity can be considered more universal, and thus key for most extraterrestrial magnetospheres, and which reflect the unique aspects of each planet and its magnetospheric system. In this chapter we focus on the in-situ radiation belt observations in the context of theory, simulations and relevant measurements by Earth-based observatories. We describe both the average state and the time variations of Jupiter's and Saturn's radiation belts and associate them with specific physical processes.

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