描述: 继根据19 世纪的法拉第和麦克斯韦的研究，物理学家认为空间中充满电场和磁场。运动的电荷会在其周围产生这样的电磁场，反过来，电荷的运动也会受到其所在位置电场和磁场的影响。正电荷会沿着电场的方向加速运动，负电荷则相反；运动中的电荷会在垂直于其运动方向的磁场作用下发生偏转。这两种场对电荷影响的总称就是电磁力。恒星、气体云、整个星系或漩涡吸积盘等天体都有大尺度磁场，在这些地方，电磁力会变得非常重要。

相关词条

• 电场
• 吸积盘
• 磁场

词条和定义状态： 该术语的英文原始定义已通过天文研究人员和教师的审核
该术语及其定义的译文仍待审核

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